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Recognised as Colour

#A355D3

  • #A355D3
  • Violet
  • Dark
  • Nearest: Medium orchid

#A355D3 is a violet with RGB values 163, 85, 211 and HSL 277°, 59%, 58%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#A355D3#A355D3
HEX#A355D3
RGBrgb(163, 85, 211)
RGB (0–1)0.6392, 0.3333, 0.8275
RGB percentages63.9%, 33.3%, 82.7%
HSLhsl(277.1, 58.9%, 58%)
HSV / HSBhsv(277.1, 59.7%, 82.7%)
CMYK22.7%, 59.7%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,704,339
CSS custom property--colour: #A355D3;

Brightness & contrast

Relative luminance0.18987WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.8:1
Contrast with white4.38:1WCAG normal text: Fail
Contrast with black4.8:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#5CAA2C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2475D7no red cones; affects about 1% of men; ΔE 41.9 from the original
Deuteranopia#487AD0no green cones; the most common form, about 1% of men; ΔE 42.9 from the original
Tritanopia#9D6D8Cno blue cones; rare, and affects men and women equally; ΔE 52.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.38:1WCAG large text: AA
Contrast with black, large text4.8:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 8Dark orchid · ΔE 15.8Medium purple · ΔE 17.4Medium slateblue · ΔE 18.1Slate blue · ΔE 19Rebecca purple · ΔE 21.3
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 8.02, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#85D355
Analogous#6455D3, #D355C4
Triadic#D3A355, #55D3A3
Split complementary#C4D355, #55D364
Tetradic#D36455, #85D355, #55C4D3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBF7FD
Lighter +30%#E5CFF2
Lighter +20%#CFA6E8
Lighter +10%#B97EDD
Darker −10%#8C32C3
Darker −20%#6F289A
Darker −30%#521D72
Darker −40%#341349
More saturated +25%#A93AEE
Less saturated −25%#9D70B8

Channel breakdown

R163
G85
B211
Red163 (63.9%)
Green85 (33.3%)
Blue211 (82.7%)
Hue277.14°
Saturation (HSL)58.88%
Lightness58.04%
Dominant channelBlue
Hex per channelR A3 · G 55 · B D3

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Every value on this page was computed from “a355d3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.