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Recognised as Colour

#8166BB

  • #8166BB
  • Violet
  • Dark
  • Nearest: Medium purple

#8166BB is a violet with RGB values 129, 102, 187 and HSL 259°, 38%, 57%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Medium purple.

Colour values

#8166BB#8166BB
HEX#8166BB
RGBrgb(129, 102, 187)
RGB (0–1)0.5059, 0.4, 0.7333
RGB percentages50.6%, 40%, 73.3%
HSLhsl(259.1, 38.5%, 56.7%)
HSV / HSBhsv(259.1, 45.5%, 73.3%)
CMYK31%, 45.5%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,480,443
CSS custom property--colour: #8166BB;

Brightness & contrast

Relative luminance0.17758WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.61:1
Contrast with white4.61:1WCAG normal text: AA
Contrast with black4.55:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#7E9944

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C75BEno red cones; affects about 1% of men; ΔE 21.3 from the original
Deuteranopia#5174B9no green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#757687no blue cones; rare, and affects men and women equally; ΔE 41.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.61:1WCAG large text: AAA
Contrast with black, large text4.55:1WCAG large text: AAA

Named colours

Medium purple · ΔE 12.9Slate blue · ΔE 18.3Dark slateblue · ΔE 18.7Rebecca purple · ΔE 21.9Royal blue · ΔE 24.4Cornflower blue · ΔE 25.2
Nearest named CSS colourMedium purple (#9370DB)ΔE 12.94, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A0BB66
Analogous#6676BB, #AB66BB
Triadic#BB8166, #66BB81
Split complementary#BBAC66, #76BB66
Tetradic#BB6676, #A0BB66, #66BBAB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5F3FA
Lighter +30%#D8D0EA
Lighter +20%#BBADDA
Lighter +10%#9E89CB
Darker −10%#6649A5
Darker −20%#503A81
Darker −30%#3A2A5E
Darker −40%#251A3B
More saturated +25%#774AD7
Less saturated −25%#8B829F

Channel breakdown

R129
G102
B187
Red129 (50.6%)
Green102 (40%)
Blue187 (73.3%)
Hue259.06°
Saturation (HSL)38.46%
Lightness56.67%
Dominant channelBlue
Hex per channelR 81 · G 66 · B BB

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Every value on this page was computed from “8166bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.