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Recognised as Colour

#573C9A

  • #573C9A
  • Violet
  • Dark
  • Nearest: Rebecca purple

#573C9A is a violet with RGB values 87, 60, 154 and HSL 257°, 44%, 42%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#573C9A#573C9A
HEX#573C9A
RGBrgb(87, 60, 154)
RGB (0–1)0.3412, 0.2353, 0.6039
RGB percentages34.1%, 23.5%, 60.4%
HSLhsl(257.2, 43.9%, 42%)
HSV / HSBhsv(257.2, 61%, 60.4%)
CMYK43.5%, 61%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,717,146
CSS custom property--colour: #573C9A;

Brightness & contrast

Relative luminance0.07591WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.34:1
Contrast with white8.34:1WCAG normal text: AAA
Contrast with black2.52:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#A8C365

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004F9Dno red cones; affects about 1% of men; ΔE 23.5 from the original
Deuteranopia#014C98no green cones; the most common form, about 1% of men; ΔE 23.5 from the original
Tritanopia#445165no blue cones; rare, and affects men and women equally; ΔE 48.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.34:1WCAG large text: AAA
Contrast with black, large text2.52:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 8.2Dark slateblue · ΔE 10.5Slate blue · ΔE 16Midnight blue · ΔE 17.6Indigo · ΔE 21.9Medium purple · ΔE 22.1
Nearest named CSS colourRebecca purple (#663399)ΔE 8.18, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F9A3C
Analogous#3C509A, #863C9A
Triadic#9A573C, #3C9A57
Split complementary#9A863C, #509A3C
Tetradic#9A3C50, #7F9A3C, #3C9A86

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8BDE5
Lighter +30%#AA98D7
Lighter +20%#8C73C9
Lighter +10%#6E4FBA
Darker −10%#422E75
Darker −20%#2E1F51
Darker −30%#19112C
Darker −40%#040307
More saturated +25%#4C21B5
Less saturated −25%#62577F

Channel breakdown

R87
G60
B154
Red87 (34.1%)
Green60 (23.5%)
Blue154 (60.4%)
Hue257.23°
Saturation (HSL)43.93%
Lightness41.96%
Dominant channelBlue
Hex per channelR 57 · G 3C · B 9A

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Every value on this page was computed from “573c9a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.