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Onyx

#37463D

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
37463D
RGB
55, 70, 61
HSL
144, 12%, 25%
HSB
144, 21%, 27%
CMYK
21, 0, 13, 73
LAB
28, -8, 3
LCH
28, 9, 157
OKLCH
0.38, 0.02, 159
XYZ
5, 6, 5
LUV
28, -7, 5
HWB
144, 22%, 73%
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.