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RAL5011 Steel Blue is a very dark blue from the RAL Classic collection, designed for applications needing a muted, technical, and sophisticated appearance. With an L value of 15.87 and LRV of 2.07, this color reads as nearly black in low lighting or on large surfaces. Its negative b value (-12.94) and hue angle of 261.95 confirm a distinctly cool blue tone with no visible warmth, while a moderate chroma of 13.07 ensures blue identity without strong vividness. The subtle a value (-1.83) contributes to its coolness, showing minimal red or green influence. In gloss finishes, the blue deepens; in matte, it can appear closer to charcoal, emphasizing its darkness.

Commonly used in industrial equipment, transportation interiors and exteriors, architectural metalwork, utility enclosures, and maintenance coatings, RAL5011 is selected for projects requiring a serious, unobtrusive color that remains clearly blue under direct lighting. The low LRV and deep tone mean careful surface preparation is needed to prevent visible flaws, especially with glossy applications. Verification with samples on the intended substrate is recommended for critical color matching, as the blue may shift toward black in different lighting conditions. RAL5011 is favored in environments seeking to reduce visual noise and present a technical, formal image.

Digital approximations
Values
HEX: #16293A
RGB: 22, 41, 58
LAB: 15.9, -1.8, -12.9
Insights
- LRV of 2.07 and L value near 16 result in a very dark visual impression, nearly approaching black in some contexts.
- Hue angle of 261.95 and b of -12.94 reinforce a distinctly cool, blue undertone without green or purple shifting.
- Moderate chroma of 13.07 means this blue is recognizable but never bright, maintaining a muted effect even digitally.
Digital values are approximations.
Paint appearance varies by finish and lighting.

Similar colors:
- RAL 5008 Grey Blue Paint Grey Blue: Slightly lighter and more neutral, with less pronounced blue character.
- IFS Coatings™ PLSF 20070 / RAL 5003 Sapphire Blue: Higher chroma and lighter, providing a bolder, stronger blue presence.
- RAL 5022 Night Blue Paint Night Blue: Comparable depth but leans more toward a purple-blue, appearing less neutral than RAL5011.

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 5011 Steel Blue Paint

Will ordering RAL 5011 Steel Blue match my existing powder-coated parts exactly?

Not necessarily. RAL 5011 defines a color target, not a coating process. Powder coats labeled RAL 5011 can differ by brand, resin, gloss, and texture, and will not always look the same as a liquid touch-up or spray paint made to the RAL 5011 standard.

  • If your acceptance is "must match the existing part": choose a custom match and provide a physical sample or the OEM powder brand/series/code and gloss.
  • If your acceptance is "meet the RAL 5011 standard color": ordering standard RAL 5011 in your required sheen is appropriate.

To reduce risk, include on the PO: RAL 5011, target sheen (e.g., matte/satin/semi-gloss/gloss or 60 degrees GU range), coating type (liquid, touch-up), and any acceptance notes (match to standard vs match to part).

For RAL 5011 Steel Blue repairs, how should I specify sheen to avoid rejection?

Sheen is a common failure point-especially on dark colors like RAL 5011 where differences are obvious. Color can be correct yet rejected due to gloss mismatch.

  • State the sheen up front: use a category (matte/satin/semi-gloss/gloss) or a 60 degrees gloss unit (GU) range if you have it.
  • If matching an existing part, request "match existing gloss" and provide a sample; textured powders often appear lower-gloss than smooth liquid paints.
  • Decision guide: small chips/edges or low-visibility areas standard RAL 5011 in the closest available sheen usually suffices; large panels or adjacent parts provide a sample and match both color and sheen.
When should I send a sample for RAL 5011 Steel Blue instead of ordering standard RAL?

Send a sample (or OEM powder details) when any of the following apply:

  • High-visibility cosmetic surfaces or large-area repaints
  • Strict inspection/acceptance requirements (match to existing parts)
  • You must align with a known OEM powder brand/series/gloss
  • Existing parts have distinctive texture or sheen you need to replicate

What to include: a clean, representative piece of the actual finish; note RAL 5011, desired sheen or measured GU, and any OEM powder identifiers. Expect added lead time for custom formulation. The match will be tuned to your sample, not just the RAL standard chip.

Is standard RAL 5011 Steel Blue sufficient for cabinet-to-conduit or other cross-material coordination?

Often yes. When materials and textures differ (e.g., smooth cabinet vs. textured conduit), slight appearance differences are expected and usually acceptable.

  • Use standard RAL 5011 with a practical sheen for each item if close visual harmony is sufficient.
  • If parts are adjacent on the same plane or finish uniformity is critical, provide a sample and match color and sheen to the dominant surface.
  • Field acceptance tip: evaluate from normal viewing distance under consistent lighting, not edge-to-edge at inches away.
When will I receive my paint matching RAL5011 Steel Blue? 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 RAL5011 Steel Blue, 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 RAL5011 Steel Blue 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 RAL5011 Steel Blue 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 RAL5011 Steel Blue?
The RGB values for RAL5011 Steel Blue are 35, 49, 66 and the HEX code is #233142. The LRV for RAL5011 Steel Blue is 2.96. 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 RAL5011 Steel Blue 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 RAL5011 Steel Blue 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 RAL5011 Steel Blue?
Many types of paint are available for RAL5011 Steel Blue 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 RAL5011 Steel Blue?
The RAL5011 Steel Blue 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 RAL5011 Steel Blue?
The need for primer for RAL5011 Steel Blue 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 RAL5011 Steel Blue to a different color from another paint company?

While we can provide RAL5011 Steel Blue 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.