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Recognised as Colour

#573F93

  • #573F93
  • Violet
  • Dark
  • Nearest: Dark slateblue

#573F93 is a violet with RGB values 87, 63, 147 and HSL 257°, 40%, 41%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#573F93#573F93
HEX#573F93
RGBrgb(87, 63, 147)
RGB (0–1)0.3412, 0.2471, 0.5765
RGB percentages34.1%, 24.7%, 57.6%
HSLhsl(257.1, 40%, 41.2%)
HSV / HSBhsv(257.1, 57.1%, 57.6%)
CMYK40.8%, 57.1%, 0%, 42.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,717,907
CSS custom property--colour: #573F93;

Brightness & contrast

Relative luminance0.07688WCAG 2.x, 0 is black and 1 is white
Perceived brightness84 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.28:1
Contrast with white8.28:1WCAG normal text: AAA
Contrast with black2.54:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#A8C06C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#144F96no red cones; affects about 1% of men; ΔE 21.5 from the original
Deuteranopia#1B4D91no green cones; the most common form, about 1% of men; ΔE 21.4 from the original
Tritanopia#475163no blue cones; rare, and affects men and women equally; ΔE 43.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.28:1WCAG large text: AAA
Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 5.5Rebecca purple · ΔE 12.8Midnight blue · ΔE 18.7Slate blue · ΔE 19.8Medium purple · ΔE 23.6Indigo · ΔE 26.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 5.48, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B933F
Analogous#3F5193, #813F93
Triadic#93573F, #3F9357
Split complementary#93813F, #51933F
Tetradic#933F51, #7B933F, #3F9381

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7BCE2
Lighter +30%#A998D3
Lighter +20%#8B74C4
Lighter +10%#6D51B4
Darker −10%#42306F
Darker −20%#2D204C
Darker −30%#181128
Darker −40%#020204
More saturated +25%#4C25AD
Less saturated −25%#625979

Channel breakdown

R87
G63
B147
Red87 (34.1%)
Green63 (24.7%)
Blue147 (57.6%)
Hue257.14°
Saturation (HSL)40%
Lightness41.18%
Dominant channelBlue
Hex per channelR 57 · G 3F · B 93

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Every value on this page was computed from “573f93” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.