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Recognised as Colour

#691C80

  • #691C80
  • Violet
  • Dark
  • Nearest: Rebecca purple

#691C80 is a violet with RGB values 105, 28, 128 and HSL 286°, 64%, 31%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#691C80#691C80
HEX#691C80
RGBrgb(105, 28, 128)
RGB (0–1)0.4118, 0.1098, 0.502
RGB percentages41.2%, 11%, 50.2%
HSLhsl(286.2, 64.1%, 30.6%)
HSV / HSBhsv(286.2, 78.1%, 50.2%)
CMYK18%, 78.1%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,888,576
CSS custom property--colour: #691C80;

Brightness & contrast

Relative luminance0.05392WCAG 2.x, 0 is black and 1 is white
Perceived brightness75 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.1:1
Contrast with white10.1:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#96E37F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003D83no red cones; affects about 1% of men; ΔE 35.9 from the original
Deuteranopia#1E447Eno green cones; the most common form, about 1% of men; ΔE 40.1 from the original
Tritanopia#68324Dno blue cones; rare, and affects men and women equally; ΔE 40 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.1:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 10.4Purple · ΔE 11.4Dark magenta · ΔE 15.2Indigo · ΔE 15.7Dark slateblue · ΔE 22.5Midnight blue · ΔE 22.6
Nearest named CSS colourRebecca purple (#663399)ΔE 10.36, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#33801C
Analogous#371C80, #801C65
Triadic#80691C, #1C8069
Split complementary#65801C, #1C8037
Tetradic#80371C, #33801C, #1C6580

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CE84E4
Lighter +30%#BD5ADB
Lighter +20%#AD30D2
Lighter +10%#8B25AA
Darker −10%#471356
Darker −20%#240A2C
Darker −30%#020102
Darker −40%#000000
More saturated +25%#740894
Less saturated −25%#5E306D

Channel breakdown

R105
G28
B128
Red105 (41.2%)
Green28 (11%)
Blue128 (50.2%)
Hue286.2°
Saturation (HSL)64.1%
Lightness30.59%
Dominant channelBlue
Hex per channelR 69 · G 1C · B 80

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Every value on this page was computed from “691c80” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.