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Onyx

#333C2D

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
333C2D
RGB
51, 60, 45
HSL
96, 14%, 21%
HSB
96, 25%, 24%
CMYK
15, 0, 25, 76
LAB
24, -6, 8
LCH
24, 10, 129
OKLCH
0.34, 0.03, 133
XYZ
3, 4, 3
LUV
24, -4, 9
HWB
96, 18%, 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.