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Onyx

#343F2C

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
343F2C
RGB
52, 63, 44
HSL
95, 18%, 21%
HSB
95, 30%, 25%
CMYK
17, 0, 30, 75
LAB
25, -8, 10
LCH
25, 13, 128
OKLCH
0.35, 0.04, 132
XYZ
4, 4, 3
LUV
25, -5, 12
HWB
95, 17%, 75%
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.