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Recognised as Colour

#583DA8

  • #583DA8
  • Violet
  • Dark
  • Nearest: Rebecca purple

#583DA8 is a violet with RGB values 88, 61, 168 and HSL 255°, 47%, 45%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#583DA8#583DA8
HEX#583DA8
RGBrgb(88, 61, 168)
RGB (0–1)0.3451, 0.2392, 0.6588
RGB percentages34.5%, 23.9%, 65.9%
HSLhsl(255.1, 46.7%, 44.9%)
HSV / HSBhsv(255.1, 63.7%, 65.9%)
CMYK47.6%, 63.7%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,782,952
CSS custom property--colour: #583DA8;

Brightness & contrast

Relative luminance0.08239WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.93:1
Contrast with white7.93:1WCAG normal text: AAA
Contrast with black2.65:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#A7C257

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0053ABno red cones; affects about 1% of men; ΔE 24.2 from the original
Deuteranopia#004FA6no green cones; the most common form, about 1% of men; ΔE 23.5 from the original
Tritanopia#3F566Dno blue cones; rare, and affects men and women equally; ΔE 55.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.93:1WCAG large text: AAA
Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 8.1Slate blue · ΔE 11.8Dark slateblue · ΔE 17.4Indigo · ΔE 19.3Midnight blue · ΔE 20.2Medium purple · ΔE 20.9
Nearest named CSS colourRebecca purple (#663399)ΔE 8.09, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8DA83D
Analogous#3D58A8, #8E3DA8
Triadic#A8583D, #3DA858
Split complementary#A88E3D, #58A83D
Tetradic#A83D58, #8DA83D, #3DA88E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0C7EA
Lighter +30%#B0A1DD
Lighter +20%#917CCF
Lighter +10%#7156C2
Darker −10%#442F83
Darker −20%#31225D
Darker −30%#1D1438
Darker −40%#0A0712
More saturated +25%#4A20C5
Less saturated −25%#665A8B

Channel breakdown

R88
G61
B168
Red88 (34.5%)
Green61 (23.9%)
Blue168 (65.9%)
Hue255.14°
Saturation (HSL)46.72%
Lightness44.9%
Dominant channelBlue
Hex per channelR 58 · G 3D · B A8

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Every value on this page was computed from “583da8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.