#645a8b - Idol color

A dusky, muted violet leaning toward indigo, this deep lavender carries cool blue-gray undertones that temper its richness. It feels sophisticated and slightly vintage—moody but refined—evoking twilight skies, worn velvet, and softened eggplant. Works well as an accent in interiors and fashion for a luxurious yet understated look, pairing beautifully with cream, warm taupe, muted gold, or charcoal. Its medium-low saturation gives it versatility in branding and design when a calm, elegant presence is desired.

#645a8b color RGB value is 100, 90, 139, and the CMYK value is 0.281, 0.353, 0.00, 0.455. Alternative names for that color are: idol, gray, darkslateblue, kimberly, violet (purple), indigo.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	100, 90, 139	rgb(100, 90, 139)
CMYK	0.281, 0.353, 0.00, 0.455	-
sRGB	0.392, 0.353, 0.545	rgb(39.2%, 35.3%, 54.5%)
Adobe® 98 RGB compatible	0.382, 0.355, 0.534	color(a98-rgb, 0.382, 0.355, 0.534)
HCT	296, 31.5, 41.0	color(--hct, 296, 21.7%, 41%)
HSL	252, 21.4, 44.9	hsl(252, 21.4%, 44.9%)
HSV	252, 35.3, 54.5	color(--hsv, 252, 35.3%, 54.5%)
HWB	252, 35.3, 45.5	hwb(252, 35.3%, 45.5%)
Lab	40.8, 12.9, -26.0	lab(40.8%, 12.9, -26)
P3	0.386, 0.354, 0.532	color(display-p3, 0.386, 0.354, 0.532)
XYZ D50	0.132, 0.117, 0.196	color(xyz-d50, 0.132, 0.117, 0.196)