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Onyx

#3F422F

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
3F422F
RGB
63, 66, 47
HSL
69, 17%, 22%
HSB
69, 29%, 26%
CMYK
5, 0, 29, 74
LAB
27, -4, 11
LCH
27, 12, 110
OKLCH
0.37, 0.03, 115
XYZ
5, 5, 3
LUV
27, -1, 12
HWB
69, 18%, 74%
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.