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
645A63
RGB
100, 90, 99
HSL
306, 5%, 37%
HSB
306, 10%, 39%
CMYK
0, 10, 1, 61
LAB
39, 6, -4
LCH
39, 7, 327
OKLCH
0.48, 0.02, 329
XYZ
11, 11, 13
LUV
39, 5, -6
HWB
306, 35%, 61%
Pantone
Cool Gray 11 C
Harmonies
Shades & tints
Similar named colors
Browse every named brown on shades of brown, or all families on colors.