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Colour

#4F1883

  • #4F1883
  • Violet
  • Dark
  • Nearest: Indigo

#4F1883 is a violet with RGB values 79, 24, 131 and HSL 271°, 69%, 30%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#4F1883#4F1883
HEX#4F1883
RGBrgb(79, 24, 131)
RGB (0–1)0.3098, 0.0941, 0.5137
RGB percentages31%, 9.4%, 51.4%
HSLhsl(270.8, 69%, 30.4%)
HSV / HSBhsv(270.8, 81.7%, 51.4%)
CMYK39.7%, 81.7%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,183,619
CSS custom property--colour: #4F1883;

Brightness & contrast

Relative luminance0.03954WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.73:1
Contrast with white11.73:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#B0E77C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003786no red cones; affects about 1% of men; ΔE 27.4 from the original
Deuteranopia#003781no green cones; the most common form, about 1% of men; ΔE 29.7 from the original
Tritanopia#43354Eno blue cones; rare, and affects men and women equally; ΔE 49.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.73:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Indigo · ΔE 8.2Rebecca purple · ΔE 9.9Midnight blue · ΔE 15.8Navy · ΔE 19.1Purple · ΔE 19.3Dark magenta · ΔE 21.8
Nearest named CSS colourIndigo (#4B0082)ΔE 8.17, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4C8318
Analogous#1A1883, #831881
Triadic#834F18, #18834F
Split complementary#818318, #18831A
Tetradic#831A18, #4C8318, #188183

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B57FE8
Lighter +30%#9C54E0
Lighter +20%#8329D8
Lighter +10%#6920AE
Darker −10%#351058
Darker −20%#1B082D
Darker −30%#010002
Darker −40%#000000
More saturated +25%#500596
Less saturated −25%#4E2B70

Channel breakdown

R79
G24
B131
Red79 (31%)
Green24 (9.4%)
Blue131 (51.4%)
Hue270.84°
Saturation (HSL)69.03%
Lightness30.39%
Dominant channelBlue
Hex per channelR 4F · G 18 · B 83

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Every value on this page was computed from “4f1883” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.