RAL Effect

RAL 550-6

Dark Graphite Violet

RAL 550-6 Dark Graphite Violet is the darkest shade in the 550 base group, presenting a deep graphite with subtle violet undertones. This dramatic, authoritative tone adds a sense of permanence and sophistication to monumental architecture, high-end furniture, and exclusive interior environments. Its near-black depth and cool undertone create a refined visual anchor in contemporary design schemes.

Time9:36 AM
Light
Technical Reference

Color Reference

Hex#404048
RGBrgb(64, 64, 72)
HSLhsl(240°, 6%, 27%)
CMYKcmyk(11%, 11%, 0%, 72%)
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
64
G
64
B
72
Temperature
WarmCool
Contrast Accessibility
White text
10.3:1Pass
Black text
2:1Fail

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)27
a* (Green-Red)2
b* (Blue-Yellow)-5
L* (LCh)27
C* (Chroma)5
h° (Hue)291°

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 Graphite Violet

Palette Generator

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

1 locked / 4 free

Reference + opposite hue with tonal variations

#2
Complementary
#3
Complementary
#4
Complementary
#5
Split Comp +
Pairwise Contrast Ratios
1.1:1
·
2.1:1
·
3:1
·
1.9:1

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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