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Onyx

#40394C

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
40394C
RGB
64, 57, 76
HSL
262, 14%, 26%
HSB
262, 25%, 30%
CMYK
16, 25, 0, 70
LAB
25, 7, -11
LCH
25, 12, 302
OKLCH
0.36, 0.03, 302
XYZ
5, 5, 7
LUV
25, 2, -13
HWB
262, 22%, 70%
Pantone
Black 7 C

Harmonies

Analogous
Complementary
Split Complementary
Triadic
Tetradic
Square

Shades & tints

Similar named colors

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