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Onyx

#42393E

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
42393E
RGB
66, 57, 62
HSL
327, 7%, 24%
HSB
327, 14%, 26%
CMYK
0, 14, 6, 74
LAB
25, 5, -2
LCH
25, 5, 342
OKLCH
0.36, 0.02, 343
XYZ
5, 4, 5
LUV
25, 4, -2
HWB
327, 22%, 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.