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Onyx

#40433D

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
40433D
RGB
64, 67, 61
HSL
90, 5%, 25%
HSB
90, 9%, 26%
CMYK
4, 0, 9, 74
LAB
28, -2, 3
LCH
28, 4, 126
OKLCH
0.38, 0.01, 129
XYZ
5, 5, 5
LUV
28, -1, 4
HWB
90, 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.