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Onyx

#423B36

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
423B36
RGB
66, 59, 54
HSL
25, 10%, 24%
HSB
25, 18%, 26%
CMYK
0, 11, 18, 74
LAB
25, 2, 4
LCH
25, 5, 61
OKLCH
0.36, 0.01, 58
XYZ
4, 5, 4
LUV
25, 4, 4
HWB
25, 21%, 74%
Pantone
Black 7 C

Harmonies

Analogous
Complementary
Split Complementary
Triadic
Tetradic
Square

Shades & tints

Similar named colors

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