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Jet

#31373B

A deep, muted jet — 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
31373B
RGB
49, 55, 59
HSL
204, 9%, 21%
HSB
204, 17%, 23%
CMYK
17, 7, 0, 77
LAB
23, -2, -3
LCH
23, 4, 241
OKLCH
0.33, 0.01, 237
XYZ
3, 4, 5
LUV
23, -3, -3
HWB
204, 19%, 77%
Pantone
Black 7 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.