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Recognised as Colour

#8A66E8

  • #8A66E8
  • Violet
  • Dark
  • Nearest: Medium slateblue

#8A66E8 is a violet with RGB values 138, 102, 232 and HSL 257°, 74%, 65%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#8A66E8#8A66E8
HEX#8A66E8
RGBrgb(138, 102, 232)
RGB (0–1)0.5412, 0.4, 0.9098
RGB percentages54.1%, 40%, 91%
HSLhsl(256.6, 73.9%, 65.5%)
HSV / HSBhsv(256.6, 56%, 91%)
CMYK40.5%, 56%, 0%, 9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,070,312
CSS custom property--colour: #8A66E8;

Brightness & contrast

Relative luminance0.20732WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.15:1
Contrast with white4.08:1WCAG normal text: Fail
Contrast with black5.15:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#759917

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E7FECno red cones; affects about 1% of men; ΔE 30.6 from the original
Deuteranopia#2B7BE5no green cones; the most common form, about 1% of men; ΔE 29.8 from the original
Tritanopia#71829Dno blue cones; rare, and affects men and women equally; ΔE 62.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.08:1WCAG large text: AA
Contrast with black, large text5.15:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 5Slate blue · ΔE 11.1Medium purple · ΔE 13.3Royal blue · ΔE 18.6Medium orchid · ΔE 20.6Dark orchid · ΔE 23.4
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 5.02, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C4E866
Analogous#6683E8, #CB66E8
Triadic#E88A66, #66E88A
Split complementary#E8CB66, #83E866
Tetradic#E86683, #C4E866, #66E8CB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F0EBFC
Lighter +20%#CEBFF5
Lighter +10%#AC92EF
Darker −10%#683AE1
Darker −20%#4E1ECA
Darker −30%#3D189D
Darker −40%#2C1171
More saturated +25%#8050FE
Less saturated −25%#947CD2

Channel breakdown

R138
G102
B232
Red138 (54.1%)
Green102 (40%)
Blue232 (91%)
Hue256.62°
Saturation (HSL)73.86%
Lightness65.49%
Dominant channelBlue
Hex per channelR 8A · G 66 · B E8

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Every value on this page was computed from “8a66e8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.