Recognised as Colour
#511CA7
- #511CA7
- Violet
- Dark
- Nearest: Indigo
#511CA7 is a violet with RGB values 81, 28, 167 and HSL 263°, 71%, 38%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Indigo.
Colour values
#511CA7#511CA7
HEX#511CA7
RGBrgb(81, 28, 167)
RGB (0–1)0.3176, 0.1098, 0.6549
RGB percentages31.8%, 11%, 65.5%
HSLhsl(262.9, 71.3%, 38.2%)
HSV / HSBhsv(262.9, 83.2%, 65.5%)
CMYK51.5%, 83.2%, 0%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,315,751
CSS custom property--colour: #511CA7;
Brightness & contrast
Relative luminance0.0537WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.13:1
Contrast with white10.13:1WCAG normal text: AAA
Contrast with black2.07:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#AEE358
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.13:1WCAG large text: AAA
Contrast with black, large text2.07:1WCAG large text: Fail
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#72A71C
Analogous#1C2DA7, #961CA7
Triadic#A7511C, #1CA751
Split complementary#A7961C, #2DA71C
Tetradic#A71C2D, #72A71C, #1CA796
Tints, shades & saturation
Channel breakdown
R81
G28
B167
Red81 (31.8%)
Green28 (11%)
Blue167 (65.5%)
Hue262.88°
Saturation (HSL)71.28%
Lightness38.24%
Dominant channelBlue
Hex per channelR 51 · G 1C · B A7
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