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Slate Blue

#646D8B

A balanced, muted slate blue — sophisticated balance of hue and saturation that conveys composure and subtle refinement, well-suited to modern, minimalist design.

Psychology

Historically the rarest pigment to produce, purple still carries an undertone of luxury and the unusual. Creative, spiritual, and slightly otherworldly without being cold.

Meaning

Royalty, magic, ambition, and high-end indulgence. Brighter violets feel youthful and playful; deeper plums feel ceremonial and premium.

Applications

Ideal for beauty, wellness, creative tools, and entertainment. Pair with gold or warm white for a luxury read.

Conversion

HEX
646D8B
RGB
100, 109, 139
HSL
226, 16%, 47%
HSB
226, 28%, 55%
CMYK
28, 22, 0, 45
LAB
46, 2, -18
LCH
46, 18, 276
OKLCH
0.54, 0.05, 272
XYZ
15, 16, 27
LUV
46, -6, -26
HWB
226, 39%, 45%
Pantone
Cool Gray 11 C

Harmonies

Analogous
Complementary
Split Complementary
Triadic
Tetradic
Square

Shades & tints

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