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Recognised as Colour

#A642E5

  • #A642E5
  • Violet
  • Dark
  • Nearest: Dark orchid

#A642E5 is a violet with RGB values 166, 66, 229 and HSL 277°, 76%, 58%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#A642E5#A642E5
HEX#A642E5
RGBrgb(166, 66, 229)
RGB (0–1)0.651, 0.2588, 0.898
RGB percentages65.1%, 25.9%, 89.8%
HSLhsl(276.8, 75.8%, 57.8%)
HSV / HSBhsv(276.8, 71.2%, 89.8%)
CMYK27.5%, 71.2%, 0%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,896,101
CSS custom property--colour: #A642E5;

Brightness & contrast

Relative luminance0.17661WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.63:1
Contrast with white4.63:1WCAG normal text: AA
Contrast with black4.53:1WCAG normal text: AA
Greyscale equivalent#636363
Inverted#59BD1A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071EAno red cones; affects about 1% of men; ΔE 46.7 from the original
Deuteranopia#1776E2no green cones; the most common form, about 1% of men; ΔE 52.2 from the original
Tritanopia#9C6790no blue cones; rare, and affects men and women equally; ΔE 64.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.63:1WCAG large text: AAA
Contrast with black, large text4.53:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 7.7Blue violet · ΔE 12.3Dark violet · ΔE 14.6Medium orchid · ΔE 19.8Medium slateblue · ΔE 25.8Dark magenta · ΔE 31.3
Nearest named CSS colourDark orchid (#9932CC)ΔE 7.72, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#81E542
Analogous#5442E5, #E542D3
Triadic#E5A642, #42E5A6
Split complementary#D2E542, #42E555
Tetradic#E55542, #81E542, #42D3E5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAF5FE
Lighter +30%#E5C8F8
Lighter +20%#D09CF1
Lighter +10%#BB6FEB
Darker −10%#8F1ED6
Darker −20%#7117AA
Darker −30%#53117D
Darker −40%#350B50
More saturated +25%#AC28FF
Less saturated −25%#A05DCA

Channel breakdown

R166
G66
B229
Red166 (65.1%)
Green66 (25.9%)
Blue229 (89.8%)
Hue276.81°
Saturation (HSL)75.81%
Lightness57.84%
Dominant channelBlue
Hex per channelR A6 · G 42 · B E5

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Every value on this page was computed from “a642e5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.