#663c55 - Primitive Plum color

A deep, muted plum with warm brown undertones, blending dusky mauve and rich aubergine. It reads as sophisticated and slightly vintage, evoking aged velvet, dried roses, and dark chocolate. Subdued saturation gives it a cozy, intimate feel—perfect for accent walls, upholstery, or branding that wants an elegant, earthy mood. Pairs beautifully with soft creams, warm taupes, olive greens, or gold accents to bring out its warmth while balancing its moody depth.

color #663c55

#663c55 color RGB value is 102, 60, 85, and the CMYK value is 0.00, 0.412, 0.167, 0.600. Alternative names for that color are: primitive plum, gray, dimgray, eggplant, indigo.

Color Conversion

Name
Values
CSS
RGB(0-255)
102, 60, 85
rgb(102, 60, 85)
CMYK
0.00, 0.412, 0.167, 0.600
-
sRGB
0.400, 0.235, 0.333
rgb(40% 23.5% 33.3%)
Adobe® 98 RGB compatible
0.363, 0.245, 0.333
color(a98-rgb 0.363 0.245 0.333)
HCT
346, 27.7, 31.1
color(--hct 346 19.1% 31.1%)
HSL
324, 25.9, 31.8
hsl(324 25.9% 31.8%)
HSV
324, 41.2, 40.0
color(--hsv 324 41.2% 40%)
HWB
324, 23.5, 60.0
hwb(324 23.5% 60%)
Lab
31.2, 21.9, -6.92
lab(31.2 21.9 -6.92)
P3
0.377, 0.243, 0.329
color(display-p3 0.377 0.243 0.329)
XYZ D50
0.0883, 0.0675, 0.0711
color(xyz-d50 0.088 0.067 0.071)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#663c55
RGB:102 60 85
HSL:324.29deg 25.93% 31.76%
HEX:#3c664d
RGB:60 102 77
HSL:144.29deg 25.93% 31.76%

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