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Colour

#661BAF

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

#661BAF is a violet with RGB values 102, 27, 175 and HSL 270°, 73%, 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

#661BAF#661BAF
HEX#661BAF
RGBrgb(102, 27, 175)
RGB (0–1)0.4, 0.1059, 0.6863
RGB percentages40%, 10.6%, 68.6%
HSLhsl(270.4, 73.3%, 39.6%)
HSV / HSBhsv(270.4, 84.6%, 68.6%)
CMYK41.7%, 84.6%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,691,759
CSS custom property--colour: #661BAF;

Brightness & contrast

Relative luminance0.06704WCAG 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 8.97:1
Contrast with white8.97:1WCAG normal text: AAA
Contrast with black2.34:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#99E450

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049B3no red cones; affects about 1% of men; ΔE 34.2 from the original
Deuteranopia#0048ACno green cones; the most common form, about 1% of men; ΔE 36.6 from the original
Tritanopia#544768no blue cones; rare, and affects men and women equally; ΔE 64.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.97:1WCAG large text: AAA
Contrast with black, large text2.34:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 14.3Indigo · ΔE 16.1Dark blue · ΔE 19Blue violet · ΔE 19.6Dark violet · ΔE 21Navy · ΔE 21.2
Nearest named CSS colourDark orchid (#9932CC)ΔE 14.34, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#64AF1B
Analogous#1C1BAF, #AF1BAE
Triadic#AF661B, #1BAF66
Split complementary#AEAF1B, #1BAF1C
Tetradic#AF1C1B, #64AF1B, #1BAEAF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCA5F1
Lighter +30%#B279EA
Lighter +20%#994DE3
Lighter +10%#8022DB
Darker −10%#4C1483
Darker −20%#320D57
Darker −30%#19072A
Darker −40%#000000
More saturated +25%#6602C8
Less saturated −25%#663496

Channel breakdown

R102
G27
B175
Red102 (40%)
Green27 (10.6%)
Blue175 (68.6%)
Hue270.41°
Saturation (HSL)73.27%
Lightness39.61%
Dominant channelBlue
Hex per channelR 66 · G 1B · B AF

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