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Recognised as Colour

#563CD1

  • #563CD1
  • Blue
  • Dark
  • Nearest: Medium slateblue

#563CD1 is a blue with RGB values 86, 60, 209 and HSL 250°, 62%, 53%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#563CD1#563CD1
HEX#563CD1
RGBrgb(86, 60, 209)
RGB (0–1)0.3373, 0.2353, 0.8196
RGB percentages33.7%, 23.5%, 82%
HSLhsl(250.5, 61.8%, 52.7%)
HSV / HSBhsv(250.5, 71.3%, 82%)
CMYK58.9%, 71.3%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,651,665
CSS custom property--colour: #563CD1;

Brightness & contrast

Relative luminance0.09814WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.09:1
Contrast with white7.09:1WCAG normal text: AAA
Contrast with black2.96:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#A9C32E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DD5no red cones; affects about 1% of men; ΔE 27 from the original
Deuteranopia#0053CEno green cones; the most common form, about 1% of men; ΔE 22.7 from the original
Tritanopia#006583no blue cones; rare, and affects men and women equally; ΔE 81 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.09:1WCAG large text: AAA
Contrast with black, large text2.96:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 19.2Blue violet · ΔE 19.6Dark orchid · ΔE 20.1Slate blue · ΔE 22.6Dark blue · ΔE 23.1Dark violet · ΔE 25.7
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 19.16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B7D13C
Analogous#3C6DD1, #A13CD1
Triadic#D1563C, #3CD156
Split complementary#D1A13C, #6DD13C
Tetradic#D13C6D, #B7D13C, #3CD1A1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5E1F8
Lighter +30%#C1B8EE
Lighter +20%#9E8FE4
Lighter +10%#7A65DB
Darker −10%#412AB0
Darker −20%#322087
Darker −30%#23165E
Darker −40%#130C35
More saturated +25%#421EEF
Less saturated −25%#6A5AB3

Channel breakdown

R86
G60
B209
Red86 (33.7%)
Green60 (23.5%)
Blue209 (82%)
Hue250.47°
Saturation (HSL)61.83%
Lightness52.75%
Dominant channelBlue
Hex per channelR 56 · G 3C · B D1

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Every value on this page was computed from “563cd1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.