Blue

RAL 5008

Grey Blue

RAL 5008 Grey Blue is a dark, muted blue-grey that combines the authority of dark blue with the neutrality of grey. This understated shade is commonly specified for industrial equipment housings, military vehicle components, and architectural metalwork where a subdued, professional appearance is required. Grey Blue resists showing dirt and wear, making it a practical choice for high-traffic industrial environments and exterior installations exposed to urban pollution.

Time9:36 AM
Light
Technical Reference

Color Reference

Hex#313C48
RGBrgb(49, 60, 72)
HSLhsl(211°, 19%, 24%)
CMYKcmyk(32%, 17%, 0%, 72%)
Color Analysis
RGB Composition
R
49
G
60
B
72
Temperature
WarmCool
Contrast Accessibility
White text
11.2:1Pass
Black text
1.9:1Fail

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
-4004080-4004080a* (Green ← → Red)b* (Blue ← → Yellow)
L* (Lightness)25
a* (Green-Red)-1
b* (Blue-Yellow)-9
L* (LCh)25
C* (Chroma)9
h° (Hue)262°

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 Grey Blue

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
·
1.6:1
·
2.7:1
·
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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