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Recognised as Colour

#8B21AF

  • #8B21AF
  • Violet
  • Dark
  • Nearest: Dark orchid

#8B21AF is a violet with RGB values 139, 33, 175 and HSL 285°, 68%, 41%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dark orchid.

Colour values

#8B21AF#8B21AF
HEX#8B21AF
RGBrgb(139, 33, 175)
RGB (0–1)0.5451, 0.1294, 0.6863
RGB percentages54.5%, 12.9%, 68.6%
HSLhsl(284.8, 68.3%, 40.8%)
HSV / HSBhsv(284.8, 81.1%, 68.6%)
CMYK20.6%, 81.1%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,118,127
CSS custom property--colour: #8B21AF;

Brightness & contrast

Relative luminance0.09672WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.16:1
Contrast with white7.16:1WCAG normal text: AAA
Contrast with black2.93:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#74DE50

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052B3no red cones; affects about 1% of men; ΔE 44.3 from the original
Deuteranopia#1A5AACno green cones; the most common form, about 1% of men; ΔE 51.1 from the original
Tritanopia#884469no blue cones; rare, and affects men and women equally; ΔE 53.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.16:1WCAG large text: AAA
Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 9.7Dark magenta · ΔE 15.1Medium orchid · ΔE 17.7Purple · ΔE 18.6Indigo · ΔE 19.9Rebecca purple · ΔE 20.9
Nearest named CSS colourDark orchid (#9932CC)ΔE 9.68, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#45AF21
Analogous#4421AF, #AF218C
Triadic#AF8B21, #21AF8B
Split complementary#8CAF21, #21AF44
Tetradic#AF4421, #45AF21, #218CAF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEADEF
Lighter +30%#CE82E7
Lighter +20%#BD57DF
Lighter +10%#AC2CD7
Darker −10%#691984
Darker −20%#471159
Darker −30%#25092E
Darker −40%#030103
More saturated +25%#9807C9
Less saturated −25%#7E3B95

Channel breakdown

R139
G33
B175
Red139 (54.5%)
Green33 (12.9%)
Blue175 (68.6%)
Hue284.79°
Saturation (HSL)68.27%
Lightness40.78%
Dominant channelBlue
Hex per channelR 8B · G 21 · B AF

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Every value on this page was computed from “8b21af” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.