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Recognised as Colour

#9021BB

  • #9021BB
  • Violet
  • Dark
  • Nearest: Dark orchid

#9021BB is a violet with RGB values 144, 33, 187 and HSL 283°, 70%, 43%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#9021BB#9021BB
HEX#9021BB
RGBrgb(144, 33, 187)
RGB (0–1)0.5647, 0.1294, 0.7333
RGB percentages56.5%, 12.9%, 73.3%
HSLhsl(283.2, 70%, 43.1%)
HSV / HSBhsv(283.2, 82.4%, 73.3%)
CMYK23%, 82.4%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,445,819
CSS custom property--colour: #9021BB;

Brightness & contrast

Relative luminance0.10605WCAG 2.x, 0 is black and 1 is white
Perceived brightness104 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.73:1
Contrast with white6.73:1WCAG normal text: AA
Contrast with black3.12:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#6FDE44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0056BFno red cones; affects about 1% of men; ΔE 45.2 from the original
Deuteranopia#075EB8no green cones; the most common form, about 1% of men; ΔE 53.2 from the original
Tritanopia#8B4870no blue cones; rare, and affects men and women equally; ΔE 57 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.73:1WCAG large text: AAA
Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Dark orchid · ΔE 5.2Dark violet · ΔE 16.7Blue violet · ΔE 18.1Medium orchid · ΔE 19Dark magenta · ΔE 20Indigo · ΔE 23.5
Nearest named CSS colourDark orchid (#9932CC)ΔE 5.2, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4CBB21
Analogous#4321BB, #BB2199
Triadic#BB9021, #21BB90
Split complementary#99BB21, #21BB43
Tetradic#BB4321, #4CBB21, #2199BB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1B6F2
Lighter +30%#D08BEA
Lighter +20%#BE5FE3
Lighter +10%#AC34DB
Darker −10%#6F1990
Darker −20%#4D1264
Darker −30%#2C0A39
Darker −40%#0A020E
More saturated +25%#9C06D6
Less saturated −25%#843DA0

Channel breakdown

R144
G33
B187
Red144 (56.5%)
Green33 (12.9%)
Blue187 (73.3%)
Hue283.25°
Saturation (HSL)70%
Lightness43.14%
Dominant channelBlue
Hex per channelR 90 · G 21 · B BB

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Every value on this page was computed from “9021bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.