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Colour

#651AB1

  • #651AB1
  • Violet
  • Dark
  • Nearest: Dark orchid

#651AB1 is a violet with RGB values 101, 26, 177 and HSL 270°, 74%, 40%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark orchid.

Colour values

#651AB1#651AB1
HEX#651AB1
RGBrgb(101, 26, 177)
RGB (0–1)0.3961, 0.102, 0.6941
RGB percentages39.6%, 10.2%, 69.4%
HSLhsl(269.8, 74.4%, 39.8%)
HSV / HSBhsv(269.8, 85.3%, 69.4%)
CMYK42.9%, 85.3%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,625,969
CSS custom property--colour: #651AB1;

Brightness & contrast

Relative luminance0.0668WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.99:1
Contrast with white8.99:1WCAG normal text: AAA
Contrast with black2.34:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#9AE54E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049B5no red cones; affects about 1% of men; ΔE 34.1 from the original
Deuteranopia#0048AEno green cones; the most common form, about 1% of men; ΔE 36.5 from the original
Tritanopia#524869no blue cones; rare, and affects men and women equally; ΔE 66.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.99:1WCAG large text: AAA
Contrast with black, large text2.34:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 14.4Indigo · ΔE 17.2Blue violet · ΔE 18.5Dark blue · ΔE 18.9Dark violet · ΔE 20.1Navy · ΔE 21.5
Nearest named CSS colourDark orchid (#9932CC)ΔE 14.45, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#66B11A
Analogous#1A1BB1, #B01AB1
Triadic#B1651A, #1AB165
Split complementary#B1B11A, #1AB11A
Tetradic#B11A1B, #66B11A, #1AB1B0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBA5F2
Lighter +30%#B279EB
Lighter +20%#984CE5
Lighter +10%#7E21DD
Darker −10%#4C1385
Darker −20%#320D58
Darker −30%#19062C
Darker −40%#000000
More saturated +25%#6501CA
Less saturated −25%#653398

Channel breakdown

R101
G26
B177
Red101 (39.6%)
Green26 (10.2%)
Blue177 (69.4%)
Hue269.8°
Saturation (HSL)74.38%
Lightness39.8%
Dominant channelBlue
Hex per channelR 65 · G 1A · B B1

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Every value on this page was computed from “651ab1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.