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Onyx

#373E2C

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
373E2C
RGB
55, 62, 44
HSL
83, 17%, 21%
HSB
83, 29%, 24%
CMYK
11, 0, 29, 76
LAB
25, -6, 10
LCH
25, 12, 120
OKLCH
0.35, 0.03, 125
XYZ
4, 4, 3
LUV
25, -3, 11
HWB
83, 17%, 76%
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.