RAL Effect

RAL 840-6

Dark Basalt

RAL 840-6 Dark Basalt is the darkest shade in the RAL Effect 840 base group, presenting a deep, near-black grey with warm, earthy undertones. This powerful tone is ideal for structural elements, heavy machinery, and dramatic architectural features. It evokes volcanic basalt and dark granite, adding maximum depth with natural warmth.

Time9:36 AM
Light
Technical Reference

Color Reference

Hex#525250
RGBrgb(82, 82, 80)
HSLhsl(60°, 1%, 32%)
CMYKcmyk(0%, 0%, 2%, 68%)
RAL Effect Variant

RAL Effect colors combine a base shade with a metallic or pearl variant. Base shades (-1 through -6) offer tonal gradation within a color family. The -M suffix indicates a metallic finish with shimmer and depth for architectural and automotive applications.

Color Analysis
RGB Composition
R
82
G
82
B
80
Temperature
WarmCool
Contrast Accessibility
White text
7.8:1Pass
Black text
2.7:1Fail

WCAG 2.1 AA requires 4.5:1 contrast for normal text. Results show this color as a background.

Spectrum & Perceptual Position

Hue Spectrum
60°120°180°240°300°360°
CIELAB a*b* Chromaticity
-40-2002040-200204060a* (Green ← → Red)b* (Blue ← → Yellow)
L* (Lightness)35
a* (Green-Red)0
b* (Blue-Yellow)1
L* (LCh)35
C* (Chroma)1
h° (Hue)110°

CIELAB is a perceptually uniform color space. Euclidean distance between two colors in this diagram closely matches human visual difference. The dot size shows your selected color; slightly larger dots are the nearest perceptual neighbors.

Color Harmonies

Build a Palette Around Dark Basalt

Palette Generator

Select a harmony type, then press Space to reroll unlocked colors.

1 locked / 4 free

Reference + opposite hue with tonal variations

Reference
#2
Complementary
#3
Complementary
#4
Complementary
#5
Split Comp +
Pairwise Contrast Ratios
1:1
·
1.5:1
·
2.5:1
·
1.7:1

Contrast ratios follow WCAG 2.1 guidelines. Green (≥4.5:1) passes AA for normal text. Amber (≥3:1) passes for large text only. Grey indicates low contrast.

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