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Colour

#4A3179

  • #4A3179
  • Violet
  • Dark
  • Nearest: Dark slateblue

#4A3179 is a violet with RGB values 74, 49, 121 and HSL 261°, 42%, 33%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#4A3179#4A3179
HEX#4A3179
RGBrgb(74, 49, 121)
RGB (0–1)0.2902, 0.1922, 0.4745
RGB percentages29%, 19.2%, 47.5%
HSLhsl(260.8, 42.4%, 33.3%)
HSV / HSBhsv(260.8, 59.5%, 47.5%)
CMYK38.8%, 59.5%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,862,329
CSS custom property--colour: #4A3179;

Brightness & contrast

Relative luminance0.05033WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.47:1
Contrast with white10.47:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#B5CE86

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0C407Bno red cones; affects about 1% of men; ΔE 20.9 from the original
Deuteranopia#163E77no green cones; the most common form, about 1% of men; ΔE 20.2 from the original
Tritanopia#3F4050no blue cones; rare, and affects men and women equally; ΔE 37.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.47:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 6.8Midnight blue · ΔE 16.8Rebecca purple · ΔE 18.4Slate blue · ΔE 28.6Indigo · ΔE 28.8Purple · ΔE 30.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 6.77, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#607931
Analogous#313C79, #6E3179
Triadic#794A31, #31794A
Split complementary#796E31, #3C7931
Tetradic#79313C, #607931, #31796E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B29ED8
Lighter +30%#957AC9
Lighter +20%#7956BA
Lighter +10%#60409D
Darker −10%#342255
Darker −20%#1E1430
Darker −30%#07050C
Darker −40%#000000
More saturated +25%#441C8E
Less saturated −25%#504664

Channel breakdown

R74
G49
B121
Red74 (29%)
Green49 (19.2%)
Blue121 (47.5%)
Hue260.83°
Saturation (HSL)42.35%
Lightness33.33%
Dominant channelBlue
Hex per channelR 4A · G 31 · B 79

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Every value on this page was computed from “4a3179” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.