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Recognised as Colour

#831A49

  • #831A49
  • Red
  • Dark
  • Nearest: Pale violetred

#831A49 is a red with RGB values 131, 26, 73 and HSL 333°, 67%, 31%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Pale violetred.

Colour values

#831A49#831A49
HEX#831A49
RGBrgb(131, 26, 73)
RGB (0–1)0.5137, 0.102, 0.2863
RGB percentages51.4%, 10.2%, 28.6%
HSLhsl(333.1, 66.9%, 30.8%)
HSV / HSBhsv(333.1, 80.2%, 51.4%)
CMYK0%, 80.2%, 44.3%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,591,945
CSS custom property--colour: #831A49;

Brightness & contrast

Relative luminance0.06045WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.51:1
Contrast with white9.51:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#7CE5B6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#32394Ano red cones; affects about 1% of men; ΔE 46.6 from the original
Deuteranopia#4E4D47no green cones; the most common form, about 1% of men; ΔE 48.1 from the original
Tritanopia#8E052Fno blue cones; rare, and affects men and women equally; ΔE 18.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.51:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Pale violetred · ΔE 31.1Medium violet red · ΔE 31.7Brown · ΔE 32.9Indian red · ΔE 33.4Purple · ΔE 37.3Maroon · ΔE 39.5
Nearest named CSS colourPale violetred (#DB7093)ΔE 31.11, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1A8354
Analogous#831A7E, #83201A
Triadic#49831A, #1A4983
Split complementary#1A8320, #1A7E83
Tetradic#7D831A, #1A8354, #1F1A83

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E683AF
Lighter +30%#DE5894
Lighter +20%#D52E79
Lighter +10%#AE2261
Darker −10%#581231
Darker −20%#2E091A
Darker −30%#030102
Darker −40%#000000
More saturated +25%#970647
Less saturated −25%#6F2E4B

Channel breakdown

R131
G26
B73
Red131 (51.4%)
Green26 (10.2%)
Blue73 (28.6%)
Hue333.14°
Saturation (HSL)66.88%
Lightness30.78%
Dominant channelRed
Hex per channelR 83 · G 1A · B 49

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Every value on this page was computed from “831a49” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.