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Recognised as Colour

#AC45E4

  • #AC45E4
  • Violet
  • Dark
  • Nearest: Dark orchid

#AC45E4 is a violet with RGB values 172, 69, 228 and HSL 279°, 75%, 58%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#AC45E4#AC45E4
HEX#AC45E4
RGBrgb(172, 69, 228)
RGB (0–1)0.6745, 0.2706, 0.8941
RGB percentages67.5%, 27.1%, 89.4%
HSLhsl(278.9, 74.6%, 58.2%)
HSV / HSBhsv(278.9, 69.7%, 89.4%)
CMYK24.6%, 69.7%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,290,084
CSS custom property--colour: #AC45E4;

Brightness & contrast

Relative luminance0.18628WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.73:1
Contrast with white4.44:1WCAG normal text: Fail
Contrast with black4.73:1WCAG normal text: AA
Greyscale equivalent#666666
Inverted#53BA1B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0073E9no red cones; affects about 1% of men; ΔE 48.1 from the original
Deuteranopia#2D79E1no green cones; the most common form, about 1% of men; ΔE 52.6 from the original
Tritanopia#A56890no blue cones; rare, and affects men and women equally; ΔE 62.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.44:1WCAG large text: AA
Contrast with black, large text4.73:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 7.4Blue violet · ΔE 15Dark violet · ΔE 16.5Medium orchid · ΔE 17.2Medium slateblue · ΔE 25.5Dark magenta · ΔE 29.9
Nearest named CSS colourDark orchid (#9932CC)ΔE 7.41, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7DE445
Analogous#5D45E4, #E445CC
Triadic#E4AC45, #45E4AC
Split complementary#CCE445, #45E45D
Tetradic#E45D45, #7DE445, #45CCE4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBF7FE
Lighter +30%#E8CBF7
Lighter +20%#D49EF1
Lighter +10%#C072EA
Darker −10%#961FD7
Darker −20%#7719AA
Darker −30%#58127E
Darker −40%#390C51
More saturated +25%#B42AFF
Less saturated −25%#A460C9

Channel breakdown

R172
G69
B228
Red172 (67.5%)
Green69 (27.1%)
Blue228 (89.4%)
Hue278.87°
Saturation (HSL)74.65%
Lightness58.24%
Dominant channelBlue
Hex per channelR AC · G 45 · B E4

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Every value on this page was computed from “ac45e4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.