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Recognised as Colour

#57238A

  • #57238A
  • Violet
  • Dark
  • Nearest: Rebecca purple

#57238A is a violet with RGB values 87, 35, 138 and HSL 270°, 60%, 34%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#57238A#57238A
HEX#57238A
RGBrgb(87, 35, 138)
RGB (0–1)0.3412, 0.1373, 0.5412
RGB percentages34.1%, 13.7%, 54.1%
HSLhsl(270.3, 59.5%, 33.9%)
HSV / HSBhsv(270.3, 74.6%, 54.1%)
CMYK37%, 74.6%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,710,730
CSS custom property--colour: #57238A;

Brightness & contrast

Relative luminance0.05063WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.43:1
Contrast with white10.43:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#A8DC75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003F8Dno red cones; affects about 1% of men; ΔE 28.5 from the original
Deuteranopia#003F88no green cones; the most common form, about 1% of men; ΔE 30.7 from the original
Tritanopia#4C3C54no blue cones; rare, and affects men and women equally; ΔE 47.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.43:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 6.1Indigo · ΔE 11.5Midnight blue · ΔE 16.6Purple · ΔE 19Dark slateblue · ΔE 19.1Dark magenta · ΔE 21.5
Nearest named CSS colourRebecca purple (#663399)ΔE 6.1, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#568A23
Analogous#24238A, #8A2389
Triadic#8A5723, #238A57
Split complementary#8A8A23, #238A23
Tetradic#8A2323, #568A23, #23898A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BD95E4
Lighter +30%#A46CDA
Lighter +20%#8A44CF
Lighter +10%#712DB3
Darker −10%#3D1961
Darker −20%#240E39
Darker −30%#0A0410
Darker −40%#000000
More saturated +25%#570DA0
Less saturated −25%#573974

Channel breakdown

R87
G35
B138
Red87 (34.1%)
Green35 (13.7%)
Blue138 (54.1%)
Hue270.29°
Saturation (HSL)59.54%
Lightness33.92%
Dominant channelBlue
Hex per channelR 57 · G 23 · B 8A

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Every value on this page was computed from “57238a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.