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Recognised as Colour

#A33FB9

  • #A33FB9
  • Violet
  • Dark
  • Nearest: Medium orchid

#A33FB9 is a violet with RGB values 163, 63, 185 and HSL 289°, 49%, 49%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#A33FB9#A33FB9
HEX#A33FB9
RGBrgb(163, 63, 185)
RGB (0–1)0.6392, 0.2471, 0.7255
RGB percentages63.9%, 24.7%, 72.5%
HSLhsl(289.2, 49.2%, 48.6%)
HSV / HSBhsv(289.2, 65.9%, 72.5%)
CMYK11.9%, 65.9%, 0%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,698,681
CSS custom property--colour: #A33FB9;

Brightness & contrast

Relative luminance0.14844WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.29:1
Contrast with white5.29:1WCAG normal text: AA
Contrast with black3.97:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#5CC046

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1765BDno red cones; affects about 1% of men; ΔE 48 from the original
Deuteranopia#496FB6no green cones; the most common form, about 1% of men; ΔE 49.8 from the original
Tritanopia#A45477no blue cones; rare, and affects men and women equally; ΔE 46.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.29:1WCAG large text: AAA
Contrast with black, large text3.97:1WCAG large text: AA

Named colours

Medium orchid · ΔE 8.4Dark magenta · ΔE 15.2Dark orchid · ΔE 16.1Purple · ΔE 18.2Rebecca purple · ΔE 19.9Orchid · ΔE 20.9
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 8.43, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#55B93F
Analogous#663FB9, #B93F92
Triadic#B9A33F, #3FB9A3
Split complementary#92B93F, #3FB966
Tetradic#B9663F, #55B93F, #3F92B9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBD4F0
Lighter +30%#DAAEE3
Lighter +20%#C888D6
Lighter +10%#B762C9
Darker −10%#813293
Darker −20%#60256D
Darker −30%#3E1847
Darker −40%#1D0B21
More saturated +25%#B720D8
Less saturated −25%#8F5E9A

Channel breakdown

R163
G63
B185
Red163 (63.9%)
Green63 (24.7%)
Blue185 (72.5%)
Hue289.18°
Saturation (HSL)49.19%
Lightness48.63%
Dominant channelBlue
Hex per channelR A3 · G 3F · B B9

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Every value on this page was computed from “a33fb9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.