#6633bb - Purple Emperor color

This color is a rich, medium-dark purple with cool blue undertones, evoking deep indigo and amethyst. Its saturated, velvety quality feels regal, mysterious, and slightly electric, making it ideal for dramatic accents, creative branding, or luxe fashion. It reads vivid yet sophisticated, translating well across digital screens. Pair it with soft golds, creams, muted grays, or teal for contrast; use it sparingly as a focal hue or more broadly to convey modern elegance, depth, and inventive energy.

#6633bb color RGB value is 102, 51, 187, and the CMYK value is 0.455, 0.727, 0.00, 0.267. Alternative names for that color are: purple emperor, indigo, darkorchid, purple heart.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	102, 51, 187	rgb(102, 51, 187)
CMYK	0.455, 0.727, 0.00, 0.267	-
sRGB	0.400, 0.200, 0.733	rgb(40%, 20%, 73.3%)
Adobe® 98 RGB compatible	0.358, 0.212, 0.715	color(a98-rgb, 0.358, 0.212, 0.715)
HCT	303, 66.4, 35.6	color(--hct, 303, 45.8%, 35.6%)
HSL	263, 57.1, 46.7	hsl(263, 57.1%, 46.7%)
HSV	263, 72.7, 73.3	color(--hsv, 263, 72.7%, 73.3%)
HWB	263, 20.0, 26.7	hwb(263, 20%, 26.7%)
Lab	34.7, 45.4, -64.3	lab(34.7%, 45.4, -64.3)
P3	0.374, 0.210, 0.706	color(display-p3, 0.374, 0.21, 0.706)
XYZ D50	0.142, 0.0834, 0.360	color(xyz-d50, 0.142, 0.083, 0.36)