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Recognised as Colour

#8C66EB

  • #8C66EB
  • Violet
  • Dark
  • Nearest: Medium slateblue

#8C66EB is a violet with RGB values 140, 102, 235 and HSL 257°, 77%, 66%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#8C66EB#8C66EB
HEX#8C66EB
RGBrgb(140, 102, 235)
RGB (0–1)0.549, 0.4, 0.9216
RGB percentages54.9%, 40%, 92.2%
HSLhsl(257.1, 76.9%, 66.1%)
HSV / HSBhsv(257.1, 56.6%, 92.2%)
CMYK40.4%, 56.6%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,201,387
CSS custom property--colour: #8C66EB;

Brightness & contrast

Relative luminance0.21076WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.22:1
Contrast with white4.03:1WCAG normal text: Fail
Contrast with black5.22:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#739914

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1980EFno red cones; affects about 1% of men; ΔE 31.6 from the original
Deuteranopia#287CE8no green cones; the most common form, about 1% of men; ΔE 30.8 from the original
Tritanopia#73839Fno blue cones; rare, and affects men and women equally; ΔE 63.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.03:1WCAG large text: AA
Contrast with black, large text5.22:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 5.1Slate blue · ΔE 12.6Medium purple · ΔE 14.8Royal blue · ΔE 19.7Medium orchid · ΔE 20.5Dark orchid · ΔE 22.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 5.11, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C5EB66
Analogous#6683EB, #CF66EB
Triadic#EB8C66, #66EB8C
Split complementary#EBCE66, #83EB66
Tetradic#EB6683, #C5EB66, #66EBCE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F2EDFD
Lighter +20%#D0C0F7
Lighter +10%#AE93F1
Darker −10%#6A39E5
Darker −20%#4F1BD0
Darker −30%#3E15A3
Darker −40%#2D0F76
More saturated +25%#8352FF
Less saturated −25%#957CD5

Channel breakdown

R140
G102
B235
Red140 (54.9%)
Green102 (40%)
Blue235 (92.2%)
Hue257.14°
Saturation (HSL)76.88%
Lightness66.08%
Dominant channelBlue
Hex per channelR 8C · G 66 · B EB

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Every value on this page was computed from “8c66eb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.