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Recognised as Colour

#813D91

  • #813D91
  • Violet
  • Dark
  • Nearest: Rebecca purple

#813D91 is a violet with RGB values 129, 61, 145 and HSL 289°, 41%, 40%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Rebecca purple.

Colour values

#813D91#813D91
HEX#813D91
RGBrgb(129, 61, 145)
RGB (0–1)0.5059, 0.2392, 0.5686
RGB percentages50.6%, 23.9%, 56.9%
HSLhsl(288.6, 40.8%, 40.4%)
HSV / HSBhsv(288.6, 57.9%, 56.9%)
CMYK11%, 57.9%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,469,905
CSS custom property--colour: #813D91;

Brightness & contrast

Relative luminance0.10049WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.98:1
Contrast with white6.98:1WCAG normal text: AA
Contrast with black3.01:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#7EC26E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B5594no red cones; affects about 1% of men; ΔE 35.6 from the original
Deuteranopia#435C8Fno green cones; the most common form, about 1% of men; ΔE 36.7 from the original
Tritanopia#824A61no blue cones; rare, and affects men and women equally; ΔE 34.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.98:1WCAG large text: AAA
Contrast with black, large text3.01:1WCAG large text: AA

Named colours

Rebecca purple · ΔE 14.1Purple · ΔE 18.4Dark slateblue · ΔE 19.8Dark magenta · ΔE 21.1Medium purple · ΔE 24.1Slate blue · ΔE 25.7
Nearest named CSS colourRebecca purple (#663399)ΔE 14.05, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D913D
Analogous#573D91, #913D77
Triadic#91813D, #3D9181
Split complementary#77913D, #3D9157
Tetradic#91573D, #4D913D, #3D7791

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAB9E1
Lighter +30%#C795D2
Lighter +20%#B371C3
Lighter +10%#A04DB4
Darker −10%#612E6D
Darker −20%#411F49
Darker −30%#211025
Darker −40%#010101
More saturated +25%#9123AB
Less saturated −25%#715777

Channel breakdown

R129
G61
B145
Red129 (50.6%)
Green61 (23.9%)
Blue145 (56.9%)
Hue288.57°
Saturation (HSL)40.78%
Lightness40.39%
Dominant channelBlue
Hex per channelR 81 · G 3D · B 91

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Every value on this page was computed from “813d91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.