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Onyx

#313A30

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
313A30
RGB
49, 58, 48
HSL
114, 9%, 21%
HSB
114, 17%, 23%
CMYK
16, 0, 17, 77
LAB
23, -6, 5
LCH
23, 8, 139
OKLCH
0.34, 0.02, 142
XYZ
3, 4, 3
LUV
23, -4, 6
HWB
114, 19%, 77%
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.