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Colour

#57207A

  • #57207A
  • Violet
  • Dark
  • Nearest: Rebecca purple

#57207A is a violet with RGB values 87, 32, 122 and HSL 277°, 58%, 30%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#57207A#57207A
HEX#57207A
RGBrgb(87, 32, 122)
RGB (0–1)0.3412, 0.1255, 0.4784
RGB percentages34.1%, 12.5%, 47.8%
HSLhsl(276.7, 58.4%, 30.2%)
HSV / HSBhsv(276.7, 73.8%, 47.8%)
CMYK28.7%, 73.8%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,709,946
CSS custom property--colour: #57207A;

Brightness & contrast

Relative luminance0.04464WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.09:1
Contrast with white11.09:1WCAG normal text: AAA
Contrast with black1.89:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#A8DF85

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00397Dno red cones; affects about 1% of men; ΔE 28.7 from the original
Deuteranopia#0A3C78no green cones; the most common form, about 1% of men; ΔE 32.3 from the original
Tritanopia#52344Bno blue cones; rare, and affects men and women equally; ΔE 39.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.09:1WCAG large text: AAA
Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 10.3Midnight blue · ΔE 16.2Dark slateblue · ΔE 16.4Indigo · ΔE 17.1Purple · ΔE 18.6Dark magenta · ΔE 22.5
Nearest named CSS colourRebecca purple (#663399)ΔE 10.31, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#437A20
Analogous#2A207A, #7A2070
Triadic#7A5720, #207A57
Split complementary#707A20, #207A2A
Tetradic#7A2A20, #437A20, #20707A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BD87DF
Lighter +30%#A75ED5
Lighter +20%#9036CA
Lighter +10%#742BA2
Darker −10%#3A1552
Darker −20%#1D0B29
Darker −30%#010001
Darker −40%#000000
More saturated +25%#5B0D8D
Less saturated −25%#533367

Channel breakdown

R87
G32
B122
Red87 (34.1%)
Green32 (12.5%)
Blue122 (47.8%)
Hue276.67°
Saturation (HSL)58.44%
Lightness30.2%
Dominant channelBlue
Hex per channelR 57 · G 20 · B 7A

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Every value on this page was computed from “57207a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.