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Onyx

#3D393C

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
3D393C
RGB
61, 57, 60
HSL
315, 3%, 23%
HSB
315, 7%, 24%
CMYK
0, 7, 2, 76
LAB
24, 2, -1
LCH
24, 3, 332
OKLCH
0.35, 0.01, 334
XYZ
4, 4, 5
LUV
24, 2, -2
HWB
315, 22%, 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.