Colour
#4C0191
- #4C0191
- Violet
- Dark
- Nearest: Indigo
#4C0191 is a violet with RGB values 76, 1, 145 and HSL 271°, 99%, 29%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Indigo.
Colour values
#4C0191#4C0191
HEX#4C0191
RGBrgb(76, 1, 145)
RGB (0–1)0.298, 0.0039, 0.5686
RGB percentages29.8%, 0.4%, 56.9%
HSLhsl(271.3, 98.6%, 28.6%)
HSV / HSBhsv(271.3, 99.3%, 56.9%)
CMYK47.6%, 99.3%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,981,137
CSS custom property--colour: #4C0191;
Brightness & contrast
Relative luminance0.03603WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.21:1
Contrast with white12.21:1WCAG normal text: AAA
Contrast with black1.72:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#B3FE6E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.21:1WCAG large text: AAA
Contrast with black, large text1.72:1WCAG large text: Fail
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#469101
Analogous#040191, #91018E
Triadic#914C01, #01914C
Split complementary#8E9101, #019104
Tetradic#910401, #469101, #018E91
Tints, shades & saturation
Channel breakdown
R76
G1
B145
Red76 (29.8%)
Green1 (0.4%)
Blue145 (56.9%)
Hue271.25°
Saturation (HSL)98.63%
Lightness28.63%
Dominant channelBlue
Hex per channelR 4C · G 01 · B 91
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