Looking for color by Hex, RGB, CMYK, or Lab?

RAL 7015 Slate Grey Paint

Color Image

Actual color may vary from on-screen representation. Please view a physical color swatch or material sample to confirm your color choice prior to purchase.

  • Image Code
  • HTML
  • URL
  • Direct Image Link
Copy below code in your post
Fast Shipping

70% of Orders Ship within 3 Business Days.

Ready to purchase? Select your options in the 4 steps below.

Step 1: Select Paint Type / Application

Spray, OEM, Bottles and Pens

House and Wall Paint

Epoxy, Urethane, and Colorant Concentrate

RAL7015 Slate Grey is a deep, subdued grey characterized by distinctly cool undertones and low chroma. This shade is widely chosen for industrial and architectural applications where a neutral, low-visibility, and technically understated finish is required. With a very dark lightness value (L = 34.84, LRV = 8.42), it appears nearly charcoal-almost black in low light, but recognizably grey when illuminated. The cool blueish cast (a = -0.11, b = -4.16, hue angle ~ 268 degrees) introduces subtle blue/graphite undertones while maintaining minimal colorfulness due to its low chroma (~4.16). Surface gloss can contribute slight depth but does not alter the fundamentally flat, utilitarian appearance.

This color is specified for environments demanding operationally critical color matching, such as factory enclosures, control cabinets, electrical gear casings, and industrial machinery. Architectural uses include external metalwork-railings, bollards, and shelter columns-as well as OEM and aftermarket panel or housing applications. Its low LRV means RAL7015 absorbs most light and may read nearly black in shaded zones; this should be considered when evaluating for visibility, heat absorption, or contrast. For large or high-visibility areas, review it under project lighting before final specification.

Digital approximations
Values
HEX: #4E5258
RGB: 78, 82, 88
LAB: 34.8, -0.1, -4.2
Insights
- LRV 8.42 indicates a very dark color, resulting in minimal reflectance and a receding effect on large surfaces.
- Blue-biased b value (-4.16) and a near-zero a value reinforce the distinctly cool, almost steely neutrality.
- Low chroma (~4.16) means minimal color saturation, so RAL7015 maintains a muted, unobtrusive presence in most lighting.
Digital values are approximations.
Paint appearance varies by finish and lighting.

Similar colors:
- RAL 7016 Anthracite Grey Paint Anthracite Grey: Slightly darker and deeper; subtly less blue, reads closer to true charcoal.
- RAL 7024 Graphite Grey Paint Graphite Grey: Lighter and less saturated; appears more neutral grey and less imposing.
- RAL 7021 Black Grey Paint Black Grey: Darker still, with less perceptible chroma; approaches near-black in many environments.

Product Data

About RAL

RAL is a European Color Standard often used for powder coating products and equipment. MyPerfectColor helps manufacturers; fabricators; refurbishers; equipment supply, rental and maintenance organizations save money and improve quality through exact match color solutions. Some common requests we receive for RAL Colors include spray paint, pens and bottles used for touch up and OEM applications.

Representation of the RAL Colours is done with the approval of RAL gGmbH, 53111 Bonn, Germany.

Please note that the representation of colours on the website can only approximate the actual RAL colour shades as they are registered as varnish samples.

RAL CLASSIC © RAL, Bonn 2019.

RAL DESIGN SYSTEM © RAL, Bonn 2019.

RAL EFFECT © RAL, Bonn 2019.

RAL colors may vary from RAL Color Standards based on lighting conditions, angle of view and/or due to differences in pigments, manufacturing process, substrate and/or limitations in the color capability of the paint.

Frequently Asked Questions About RAL 7015 Slate Grey Paint

When is standard RAL 7015 Slate Grey acceptable, and when should I match the specific existing coating/part?

RAL 7015 Slate Grey is a color target, not a coating process. Powder vs liquid, gloss, and texture can differ despite the same code. Choose based on acceptance risk.

  • Use standard RAL 7015 when: cross-material coordination is needed and textures/sheens already differ; repairs are low-criticality (small chips, functional protection); close visual harmony is sufficient; lead time matters and no sample is available.
  • Request a sample/OEM match when: repairing or replacing contiguous, high-visibility panels; large-area repainting; strict inspection or warranty conditions apply; a specific OEM powder code/finish is specified (e.g., texture or gloss level); matching an aged/faded part.
  • To reduce risk: clarify whether the spec means "match the RAL standard" or "match the existing part"; state required gloss/texture; confirm acceptance lighting; submit or request a test panel for approval before full production.
Do I need a primer before applying RAL 7015 Slate Grey on steel, aluminum, galvanized, plastics, or existing powder coat?
  • Bare carbon steel: Yes. Remove rust/contaminants and use a corrosion-resistant primer (e.g., epoxy or zinc-rich as required). For chip repair, spot-prime only exposed metal.
  • Galvanized steel: Yes. Clean/passivation removal (wash or sweep blast) and use a galvanized/etch-compatible primer.
  • Aluminum or stainless: Yes. Deoxidize and scuff; use an etch or epoxy primer for adhesion.
  • Plastics/composites: Often. Many require an adhesion promoter or plastic primer; verify with an adhesion test.
  • Sound existing powder coat/paint: Usually no full primer. Clean, degloss/scuff, and prime only where substrate is exposed.
  • Compatibility: Keep primer/topcoat chemistries compatible and follow recoat windows. If unsure, make a small adhesion test panel.
For RAL 7015 Slate Grey repairs, should I order aerosol spray, a brush bottle, or a touch-up pen?
  • Touch-up pen: Best for hairline scratches and pinholes (~0.1-1 mm). Fast and precise but can leave a slight ridge and gloss difference.
  • Brush bottle: For chips and small dings (~1-6 mm). Good control to fill losses; may show a meniscus edge.
  • Aerosol spray: For areas larger than ~1-2 in², edges, or feathered blends. Provides smoother transitions. Note: aerosol will not replicate powder-coat textures; expect a smoother finish unless a texture additive/process is used.
  • Large or uniform areas: Move to bulk paint and spray equipment. If the repair must be indistinguishable from adjacent panels, consider a sample/OEM match and an approval panel.
  • Tip: RAL 7015 defines color only. Order the gloss level specified (matte/satin/gloss) to reduce visible mismatch.
Why can RAL 7015 Slate Grey look different under site LEDs vs daylight, and how do I manage acceptance?

Lighting spectra can shift the appearance (metamerism). Low-chroma greys like RAL 7015 may appear warmer/cooler under different LEDs vs daylight. Gloss and texture also affect perceived color.

  • Define acceptance lighting: specify the site light type(s) and include a daylight check if relevant.
  • Produce a small test panel or area using the same process and let it fully cure before evaluation.
  • View next to the reference part at typical distances/angles under the defined lighting.
  • If appearance diverges between light sources, verify gloss/texture alignment or request a sample-based match for approval.
  • Document in the PO/spec: "Match RAL 7015 color target; acceptance under [lighting] at [gloss/texture]."
When will I receive my paint matching RAL7015 Slate Grey? Can I get it right away?
All paint is custom-made to order. Most orders ship quickly—often within 1–2 business days—though actual lead time can vary based on production volume. Custom spray paint, paint pens, and brush-in-cap bottles, including colors matched to RAL7015 Slate Grey, typically ship within 1–2 business days. During peak periods, lead times may vary slightly. Transit time depends on your location and the shipping method you choose. If timing is critical, select Expedited Production at checkout—most expedited orders ship within 24 business hours—or contact MyPerfectColor so we can help confirm timing for your specific deadline. Learn more about paint production lead times.
Can I use RAL7015 Slate Grey for touching up powder coating?

Yes, our spray paint, paint pens and touch up bottles are ideal for touching up parts of all kinds, including powder coatings. However, keep in mind that our version of RAL7015 Slate Grey is based on the color swatch contained in the official RAL color book. The color and sheen of your specific production parts may be different. If you need a touch up application, we can create a touch up solution precisely matching your specific parts.

Learn more about our color matching service.

What are the RGB, HEX and LRV values for RAL7015 Slate Grey?
The RGB values for RAL7015 Slate Grey are 78, 82, 88 and the HEX code is #4E5258. The LRV for RAL7015 Slate Grey is 8.42. The LRV stands for Light Reflectance Value and measures the percentage of light that a color reflects. Learn more about using RGB and Hex codes for matching colors.
What is spray paint matched to RAL7015 Slate Grey made of? And how much area will one can cover?

MyPerfectColor spray paint is a fast-drying durable acrylic enamel coating suitable for interior or exterior use. MyPerfectColor custom spray paint matched to RAL7015 Slate Grey enables you to conveniently achieve a professional spray-smooth finish in any color in any sheen. It sticks well to most surfaces including metal, plastics, powder-coatings, cabinets and primed or previously painted wood.

The MyPerfectColor 11oz spray can will cover about 20 square feet per coat. Keep in mind that it is difficult to gauge spray paint need as the coverage is highly dependent on how it is applied. Learn more about how spray paint works at MyPerfectColor.

How to buy paint for RAL7015 Slate Grey?
Many types of paint are available for RAL7015 Slate Grey with no minimum order quantities. MyPerfectColor offers spray paint, paint pens, touch up bottles, water-based acrylics, epoxies, urethanes and a variety of other paints. Select the Paint Type button above to get started. Learn more about buying paint at MyPerfectColor.
How do I get the SDS (Safety Data Sheet) for paint matched to RAL RAL7015 Slate Grey?
The RAL7015 Slate Grey is the color and the SDS is based on the type of paint used to make the color. You can find Safety Data Sheets here for our most popular products.
Do I need a primer for RAL7015 Slate Grey?
The need for primer for RAL7015 Slate Grey depends on the type of paint, the substrate being painted and where it will be located. See our Primer Selection Table to see what primer you might need and learn more about when you might need a primer. Most people don't use a primer for a touch up paint application, but a primer may improve adhesion and is typically recommended for exterior applications.
How do I convert RAL7015 Slate Grey to a different color from another paint company?

While we can provide RAL7015 Slate Grey in paint, we don't provide any crossover information. We've found that every paint company offers its own unique selection of colors and rarely does a color have an exact equivalent in another brand.

However, under the color image on a color page there is a link that says "Explore Colors". Clicking this link displays colors with similar values and you can look for any colors from the brand you want.

Keep in mind that this just shows similar colors based on the color values we have stored in our database. It doesn't mean it is the same or give any approximation about how close the color is. You can play around with the Hue, Lightness and Chroma sliders to expand the selection.