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Colour

#661AB6

  • #661AB6
  • Violet
  • Dark
  • Nearest: Dark orchid

#661AB6 is a violet with RGB values 102, 26, 182 and HSL 269°, 75%, 41%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark orchid.

Colour values

#661AB6#661AB6
HEX#661AB6
RGBrgb(102, 26, 182)
RGB (0–1)0.4, 0.102, 0.7137
RGB percentages40%, 10.2%, 71.4%
HSLhsl(269.2, 75%, 40.8%)
HSV / HSBhsv(269.2, 85.7%, 71.4%)
CMYK44%, 85.7%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,691,510
CSS custom property--colour: #661AB6;

Brightness & contrast

Relative luminance0.06941WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.79:1
Contrast with white8.79:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#99E549

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004BBAno red cones; affects about 1% of men; ΔE 34.8 from the original
Deuteranopia#0049B3no green cones; the most common form, about 1% of men; ΔE 36.4 from the original
Tritanopia#514A6Cno blue cones; rare, and affects men and women equally; ΔE 68.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.79:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 14.2Blue violet · ΔE 16.3Dark violet · ΔE 18.2Indigo · ΔE 19.4Dark blue · ΔE 19.7Navy · ΔE 22.8
Nearest named CSS colourDark orchid (#9932CC)ΔE 14.21, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6AB61A
Analogous#1A1CB6, #B41AB6
Triadic#B6661A, #1AB666
Split complementary#B6B41A, #1CB61A
Tetradic#B61A1C, #6AB61A, #1AB6B4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDA9F3
Lighter +30%#B37DEC
Lighter +20%#9950E6
Lighter +10%#7F23E0
Darker −10%#4D1489
Darker −20%#340D5D
Darker −30%#1B0730
Darker −40%#020003
More saturated +25%#6500D0
Less saturated −25%#67349C

Channel breakdown

R102
G26
B182
Red102 (40%)
Green26 (10.2%)
Blue182 (71.4%)
Hue269.23°
Saturation (HSL)75%
Lightness40.78%
Dominant channelBlue
Hex per channelR 66 · G 1A · B B6

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Every value on this page was computed from “661ab6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.