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Onyx

#40433E

A deep, muted onyx — sophisticated balance of hue and saturation that conveys composure and subtle refinement, well-suited to modern, minimalist design.

Psychology

Gray is the connective tissue of interface design — neutral, balanced, and quiet. It supports without competing.

Meaning

Sophistication, neutrality, and restraint. Warm grays feel inviting; cool grays feel modern and technical.

Applications

Essential for backgrounds, borders, dividers, and secondary text in product UIs. Build a 9–11 step gray ramp early in any design system.

Conversion

HEX
40433E
RGB
64, 67, 62
HSL
96, 4%, 25%
HSB
96, 7%, 26%
CMYK
4, 0, 7, 74
LAB
28, -2, 3
LCH
28, 3, 129
OKLCH
0.38, 0.01, 133
XYZ
5, 5, 5
LUV
28, -1, 3
HWB
96, 24%, 74%
Pantone
Black 7 C

Harmonies

Analogous
Complementary
Split Complementary
Triadic
Tetradic
Square

Shades & tints

Similar named colors

Browse every named black on shades of black, or all families on colors.