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Onyx

#3D3D4B

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
3D3D4B
RGB
61, 61, 75
HSL
240, 10%, 27%
HSB
240, 19%, 29%
CMYK
19, 19, 0, 71
LAB
26, 3, -9
LCH
26, 9, 287
OKLCH
0.37, 0.02, 285
XYZ
5, 5, 7
LUV
26, -1, -10
HWB
240, 24%, 71%
Pantone
Cool Gray 11 C

Harmonies

Analogous
Complementary
Split Complementary
Triadic
Tetradic
Square

Shades & tints

Similar named colors

Browse every named gray on shades of gray, or all families on colors.