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Onyx

#3B383A

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
3B383A
RGB
59, 56, 58
HSL
320, 3%, 23%
HSB
320, 5%, 23%
CMYK
0, 5, 2, 77
LAB
24, 2, -1
LCH
24, 2, 336
OKLCH
0.34, 0.01, 338
XYZ
4, 4, 5
LUV
24, 1, -1
HWB
320, 22%, 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.