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Eerie Black

#21111D

A deep, muted eerie black — 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
21111D
RGB
33, 17, 29
HSL
315, 32%, 10%
HSB
315, 48%, 13%
CMYK
0, 48, 12, 87
LAB
7, 10, -5
LCH
7, 11, 334
OKLCH
0.21, 0.03, 336
XYZ
1, 1, 1
LUV
7, 5, -4
HWB
315, 7%, 87%
Pantone
Black 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.