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Recognised as Colour

#AC42E0

  • #AC42E0
  • Violet
  • Dark
  • Nearest: Dark orchid

#AC42E0 is a violet with RGB values 172, 66, 224 and HSL 280°, 72%, 57%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#AC42E0#AC42E0
HEX#AC42E0
RGBrgb(172, 66, 224)
RGB (0–1)0.6745, 0.2588, 0.8784
RGB percentages67.5%, 25.9%, 87.8%
HSLhsl(280.3, 71.8%, 56.9%)
HSV / HSBhsv(280.3, 70.5%, 87.8%)
CMYK23.2%, 70.5%, 0%, 12.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,289,312
CSS custom property--colour: #AC42E0;

Brightness & contrast

Relative luminance0.18049WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.61:1
Contrast with white4.56:1WCAG normal text: AA
Contrast with black4.61:1WCAG normal text: AA
Greyscale equivalent#646464
Inverted#53BD1F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071E5no red cones; affects about 1% of men; ΔE 48.8 from the original
Deuteranopia#2F78DDno green cones; the most common form, about 1% of men; ΔE 53.7 from the original
Tritanopia#A6648Dno blue cones; rare, and affects men and women equally; ΔE 60.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.56:1WCAG large text: AAA
Contrast with black, large text4.61:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 6.5Blue violet · ΔE 15.5Dark violet · ΔE 16.5Medium orchid · ΔE 16.5Medium slateblue · ΔE 26.1Dark magenta · ΔE 28.7
Nearest named CSS colourDark orchid (#9932CC)ΔE 6.52, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#76E042
Analogous#5D42E0, #E042C5
Triadic#E0AC42, #42E0AC
Split complementary#C5E042, #42E05D
Tetradic#E05D42, #76E042, #42C5E0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9F1FD
Lighter +30%#E6C5F6
Lighter +20%#D29AEE
Lighter +10%#BF6EE7
Darker −10%#9522CD
Darker −20%#751AA2
Darker −30%#551376
Darker −40%#360C4A
More saturated +25%#B526FC
Less saturated −25%#A35EC4

Channel breakdown

R172
G66
B224
Red172 (67.5%)
Green66 (25.9%)
Blue224 (87.8%)
Hue280.25°
Saturation (HSL)71.82%
Lightness56.86%
Dominant channelBlue
Hex per channelR AC · G 42 · B E0

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Every value on this page was computed from “ac42e0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.