Recognised as Colour
#310A77
- #310A77
- Violet
- Dark
- Nearest: Indigo
#310A77 is a violet with RGB values 49, 10, 119 and HSL 261°, 84%, 25%. It is a dark colour, so white text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Indigo.
Colour values
#310A77#310A77
HEX#310A77
RGBrgb(49, 10, 119)
RGB (0–1)0.1922, 0.0392, 0.4667
RGB percentages19.2%, 3.9%, 46.7%
HSLhsl(261.5, 84.5%, 25.3%)
HSV / HSBhsv(261.5, 91.6%, 46.7%)
CMYK58.8%, 91.6%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,213,943
CSS custom property--colour: #310A77;
Brightness & contrast
Relative luminance0.02202WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.58:1
Contrast with white14.58:1WCAG normal text: AAA
Contrast with black1.44:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#CEF588
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.58:1WCAG large text: AAA
Contrast with black, large text1.44:1WCAG large text: Fail
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#50770A
Analogous#0A1977, #670A77
Triadic#77310A, #0A7731
Split complementary#77680A, #19770A
Tetradic#770A1A, #50770A, #0A7768
Tints, shades & saturation
Channel breakdown
R49
G10
B119
Red49 (19.2%)
Green10 (3.9%)
Blue119 (46.7%)
Hue261.47°
Saturation (HSL)84.5%
Lightness25.29%
Dominant channelBlue
Hex per channelR 31 · G 0A · B 77
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