Black Blue by RAL paint color

RAL · #18171C · 5004

Black Blue

1%Estimated LRV
NeutralUndertone

Black Blue 5004 is a gray paint color from RAL. It has a hex value of #18171C, estimated LRV 1 and a neutral undertone. Its closest cross-brand match is Tuxedo from Valspar (a visible but close match), with 49 more equivalents across other brands.

Black Blue Technical Profile

HEX Code#18171C
RGB24, 23, 28
Estimated LRV0.9
UndertoneNeutral

Digital swatches and calculated matches are approximations. Catalog LRV values may be calculated estimates, not manufacturer measurements. Data and matching method. Check the brand reference and physical samples before purchase.

Color Familygray
BrandRAL

Test it in your room

Place physical samples beside your flooring and trim. Check them in daylight and with your evening lights before buying paint.

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Generated palette previews

Colors That Work With Black Blue

These are generated digital colors, not named manufacturer paints. Use the palette tools to find paint candidates, then compare physical samples.

Timeless pairing with clean white trim and a tonal accent wall

Living room with applied paint colors

Side Walls

Black Blue

#18171C

Accent Wall

Tonal Shift

A warm shift that adds depth without clashing.

#37293D

Trim & Molding

Digital white

Crisp white trim for a clean, traditional look.

#FFFFFF

Color Palettes for Black Blue

Color harmonies based on color theory — each swatch links to the closest matching paint.

Opposite on the color wheel — creates vibrant contrast

Black Blue Room Palettes

Color schemes built around this color — each swatch links to the closest matching paint.

Warm & Inviting

Warm tones with cozy appeal — welcoming and comfortable

Cool & Calm

Cool hues with soft contrast — serene and restful

Bold Contrast

Complementary hues with punch — dynamic and striking

Similar RAL Colors

Other RAL colors close to Black Blue.

More gray colors from other brands

Cross-brand colors in the gray family — useful when you want a similar look from a different brand.

Black Blue — Frequently Asked Questions

What undertone does Black Blue have?
Black Blue by RAL has a neutral undertone and sits in the gray color family. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Black Blue from other brands?
The closest cross-brand equivalents to Black Blue are Tuxedo by Valspar (a close match), Silent Sea by Vista Paint (a close match), Deep Onyx by Kilz (a close match) — the best options for getting Black Blue's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Black Blue?
Black Blue has a estimated lightness value of 0.9, on a scale where 0 is pure black and 100 is pure white — that makes it a deep, dramatic color best saved for accent walls, dining rooms, and cozy spaces where atmosphere matters more than reflected light.

Explore More with Black Blue

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