#3311bb - Galactic Highway color

A deep, saturated indigo with a pronounced blue core and a subtle violet tint, evoking a velvety royal blue-violet. It feels cool, moody, and sophisticated—ideal for creating dramatic accents, tech interfaces, or luxurious branding. Works beautifully against pale neutrals or soft pastels for high contrast, and pairs elegantly with warm metallics like gold or brass for richness. Use sparingly as an accent or in gradients to add depth and nighttime or mysterious atmospheres.

color #3311bb

#3311bb color RGB value is 51, 17, 187, and the CMYK value is 0.727, 0.909, 0.00, 0.267. Alternative names for that color are: galactic highway, indigo, mediumblue, dark blue, purple heart.

Color Conversion

Name
Values
CSS
RGB(0-255)
51, 17, 187
rgb(51, 17, 187)
CMYK
0.727, 0.909, 0.00, 0.267
-
sRGB
0.200, 0.0667, 0.733
rgb(20% 6.67% 73.3%)
Adobe® 98 RGB compatible
0.188, 0.0947, 0.714
color(a98-rgb 0.188 0.095 0.714)
HCT
290, 71.0, 25.8
color(--hct 290 49% 25.8%)
HSL
252, 83.3, 40.0
hsl(252 83.3% 40%)
HSV
252, 90.9, 73.3
color(--hsv 252 90.9% 73.3%)
HWB
252, 6.67, 26.7
hwb(252 6.67% 26.7%)
Lab
24.2, 51.7, -81.9
lab(24.2 51.7 -81.9)
P3
0.184, 0.0746, 0.704
color(display-p3 0.184 0.075 0.704)
XYZ D50
0.0877, 0.0415, 0.356
color(xyz-d50 0.088 0.042 0.356)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#3311bb
RGB:51 17 187
HSL:252deg 83.33% 40%
HEX:#99bb11
RGB:153 187 17
HSL:72deg 83.33% 40%

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