Recognised as Colour
#370A83
- #370A83
- Violet
- Dark
- Nearest: Indigo
#370A83 is a violet with RGB values 55, 10, 131 and HSL 262°, 86%, 28%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Indigo.
Colour values
#370A83#370A83
HEX#370A83
RGBrgb(55, 10, 131)
RGB (0–1)0.2157, 0.0392, 0.5137
RGB percentages21.6%, 3.9%, 51.4%
HSLhsl(262.3, 85.8%, 27.6%)
HSV / HSBhsv(262.3, 92.4%, 51.4%)
CMYK58%, 92.4%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,607,171
CSS custom property--colour: #370A83;
Brightness & contrast
Relative luminance0.02668WCAG 2.x, 0 is black and 1 is white
Perceived brightness54 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.69:1
Contrast with white13.69:1WCAG normal text: AAA
Contrast with black1.53:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#C8F57C
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.69:1WCAG large text: AAA
Contrast with black, large text1.53:1WCAG large text: Fail
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#56830A
Analogous#0A1983, #740A83
Triadic#83370A, #0A8337
Split complementary#83740A, #19830A
Tetradic#830A19, #56830A, #0A8374
Tints, shades & saturation
Channel breakdown
R55
G10
B131
Red55 (21.6%)
Green10 (3.9%)
Blue131 (51.4%)
Hue262.31°
Saturation (HSL)85.82%
Lightness27.65%
Dominant channelBlue
Hex per channelR 37 · G 0A · B 83
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