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Recognised as Colour

#57437E

  • #57437E
  • Violet
  • Dark
  • Nearest: Dark slateblue

#57437E is a violet with RGB values 87, 67, 126 and HSL 260°, 31%, 38%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#57437E#57437E
HEX#57437E
RGBrgb(87, 67, 126)
RGB (0–1)0.3412, 0.2627, 0.4941
RGB percentages34.1%, 26.3%, 49.4%
HSLhsl(260.3, 30.6%, 37.8%)
HSV / HSBhsv(260.3, 46.8%, 49.4%)
CMYK31%, 46.8%, 0%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,718,910
CSS custom property--colour: #57437E;

Brightness & contrast

Relative luminance0.07547WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.37:1
Contrast with white8.37:1WCAG normal text: AAA
Contrast with black2.51:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#A8BC81

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#314E80no red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#354D7Dno green cones; the most common form, about 1% of men; ΔE 16.2 from the original
Tritanopia#4F4E5Ano blue cones; rare, and affects men and women equally; ΔE 30.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.37:1WCAG large text: AAA
Contrast with black, large text2.51:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.4Rebecca purple · ΔE 26.4Midnight blue · ΔE 27.3Medium purple · ΔE 32.8Steel blue · ΔE 32.9Slate blue · ΔE 32.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.4, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A7E43
Analogous#434C7E, #74437E
Triadic#7E5743, #437E57
Split complementary#7E7443, #4D7E43
Tetradic#7E434C, #6A7E43, #437E74

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1B5D8
Lighter +30%#A594C6
Lighter +20%#8973B4
Lighter +10%#6E559F
Darker −10%#40315D
Darker −20%#29203B
Darker −30%#120E1A
Darker −40%#000000
More saturated +25%#4F2B96
Less saturated −25%#5F5B66

Channel breakdown

R87
G67
B126
Red87 (34.1%)
Green67 (26.3%)
Blue126 (49.4%)
Hue260.34°
Saturation (HSL)30.57%
Lightness37.84%
Dominant channelBlue
Hex per channelR 57 · G 43 · B 7E

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Every value on this page was computed from “57437e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.