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Recognised as Colour

#831D75

  • #831D75
  • Magenta
  • Dark
  • Nearest: Purple

#831D75 is a magenta with RGB values 131, 29, 117 and HSL 308°, 64%, 31%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Purple.

Colour values

#831D75#831D75
HEX#831D75
RGBrgb(131, 29, 117)
RGB (0–1)0.5137, 0.1137, 0.4588
RGB percentages51.4%, 11.4%, 45.9%
HSLhsl(308.2, 63.7%, 31.4%)
HSV / HSBhsv(308.2, 77.9%, 51.4%)
CMYK0%, 77.9%, 10.7%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,592,757
CSS custom property--colour: #831D75;

Brightness & contrast

Relative luminance0.06988WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.76:1
Contrast with white8.76:1WCAG normal text: AAA
Contrast with black2.4:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#7CE28A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B4177no red cones; affects about 1% of men; ΔE 45.7 from the original
Deuteranopia#415073no green cones; the most common form, about 1% of men; ΔE 47.9 from the original
Tritanopia#8A2747no blue cones; rare, and affects men and women equally; ΔE 31.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.76:1WCAG large text: AAA
Contrast with black, large text2.4:1WCAG large text: Fail

Named colours

Purple · ΔE 12.6Dark magenta · ΔE 16.5Rebecca purple · ΔE 22.6Medium violet red · ΔE 25.8Indigo · ΔE 29.3Dark slateblue · ΔE 30.1
Nearest named CSS colourPurple (#800080)ΔE 12.61, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1D832B
Analogous#5E1D83, #831D42
Triadic#75831D, #1D7583
Split complementary#42831D, #1D835E
Tetradic#835E1D, #1D832B, #1D4283

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E587D8
Lighter +30%#DB5ECA
Lighter +20%#D234BC
Lighter +10%#AD269A
Darker −10%#591450
Darker −20%#2F0B2A
Darker −30%#060105
Darker −40%#000000
More saturated +25%#970984
Less saturated −25%#6F3166

Channel breakdown

R131
G29
B117
Red131 (51.4%)
Green29 (11.4%)
Blue117 (45.9%)
Hue308.24°
Saturation (HSL)63.75%
Lightness31.37%
Dominant channelRed
Hex per channelR 83 · G 1D · B 75

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Every value on this page was computed from “831d75” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.