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Recognised as Colour

#A33DCD

  • #A33DCD
  • Violet
  • Dark
  • Nearest: Dark orchid

#A33DCD is a violet with RGB values 163, 61, 205 and HSL 283°, 59%, 52%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#A33DCD#A33DCD
HEX#A33DCD
RGBrgb(163, 61, 205)
RGB (0–1)0.6392, 0.2392, 0.8039
RGB percentages63.9%, 23.9%, 80.4%
HSLhsl(282.5, 59%, 52.2%)
HSV / HSBhsv(282.5, 70.2%, 80.4%)
CMYK20.5%, 70.2%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,698,189
CSS custom property--colour: #A33DCD;

Brightness & contrast

Relative luminance0.15532WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.11:1
Contrast with white5.11:1WCAG normal text: AA
Contrast with black4.11:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#5CC232

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0068D1no red cones; affects about 1% of men; ΔE 47.4 from the original
Deuteranopia#3570CAno green cones; the most common form, about 1% of men; ΔE 51.4 from the original
Tritanopia#9F5B81no blue cones; rare, and affects men and women equally; ΔE 55.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.11:1WCAG large text: AAA
Contrast with black, large text4.11:1WCAG large text: AA

Named colours

Dark orchid · ΔE 5.6Medium orchid · ΔE 11.8Blue violet · ΔE 20.6Dark violet · ΔE 20.8Dark magenta · ΔE 21.9Medium slateblue · ΔE 24.7
Nearest named CSS colourDark orchid (#9932CC)ΔE 5.62, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#67CD3D
Analogous#5B3DCD, #CD3DAF
Triadic#CDA33D, #3DCDA3
Split complementary#AFCD3D, #3DCD5B
Tetradic#CD5B3D, #67CD3D, #3DAFCD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0DFF7
Lighter +30%#DDB7EC
Lighter +20%#C98EE2
Lighter +10%#B666D7
Darker −10%#862CAB
Darker −20%#662282
Darker −30%#46175A
Darker −40%#270D31
More saturated +25%#B01FEC
Less saturated −25%#965CAF

Channel breakdown

R163
G61
B205
Red163 (63.9%)
Green61 (23.9%)
Blue205 (80.4%)
Hue282.5°
Saturation (HSL)59.02%
Lightness52.16%
Dominant channelBlue
Hex per channelR A3 · G 3D · B CD

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Every value on this page was computed from “a33dcd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.