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Recognised as Colour

#AC40DF

  • #AC40DF
  • Violet
  • Dark
  • Nearest: Dark orchid

#AC40DF is a violet with RGB values 172, 64, 223 and HSL 281°, 71%, 56%. 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

#AC40DF#AC40DF
HEX#AC40DF
RGBrgb(172, 64, 223)
RGB (0–1)0.6745, 0.251, 0.8745
RGB percentages67.5%, 25.1%, 87.5%
HSLhsl(280.8, 71.3%, 56.3%)
HSV / HSBhsv(280.8, 71.3%, 87.5%)
CMYK22.9%, 71.3%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,288,799
CSS custom property--colour: #AC40DF;

Brightness & contrast

Relative luminance0.17765WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.61:1
Contrast with white4.61:1WCAG normal text: AA
Contrast with black4.55:1WCAG normal text: AA
Greyscale equivalent#626262
Inverted#53BF20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0070E4no red cones; affects about 1% of men; ΔE 49.2 from the original
Deuteranopia#2E77DCno green cones; the most common form, about 1% of men; ΔE 54.1 from the original
Tritanopia#A6638Cno blue cones; rare, and affects men and women equally; ΔE 61 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.61:1WCAG large text: AAA
Contrast with black, large text4.55:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 6.4Blue violet · ΔE 15.3Dark violet · ΔE 15.9Medium orchid · ΔE 16.9Medium slateblue · ΔE 26.7Dark magenta · ΔE 28.5
Nearest named CSS colourDark orchid (#9932CC)ΔE 6.37, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#73DF40
Analogous#5D40DF, #DF40C2
Triadic#DFAC40, #40DFAC
Split complementary#C3DF40, #40DF5C
Tetradic#DF5C40, #73DF40, #40C2DF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8EFFC
Lighter +30%#E5C3F5
Lighter +20%#D297EE
Lighter +10%#BF6CE6
Darker −10%#9422CA
Darker −20%#741B9E
Darker −30%#541373
Darker −40%#340C47
More saturated +25%#B624FB
Less saturated −25%#A25CC3

Channel breakdown

R172
G64
B223
Red172 (67.5%)
Green64 (25.1%)
Blue223 (87.5%)
Hue280.75°
Saturation (HSL)71.3%
Lightness56.27%
Dominant channelBlue
Hex per channelR AC · G 40 · B DF

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Every value on this page was computed from “ac40df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.