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Colour

#576CE5

  • #576CE5
  • Blue
  • Dark
  • Nearest: Royal blue

#576CE5 is a blue with RGB values 87, 108, 229 and HSL 231°, 73%, 62%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#576CE5#576CE5
HEX#576CE5
RGBrgb(87, 108, 229)
RGB (0–1)0.3412, 0.4235, 0.898
RGB percentages34.1%, 42.4%, 89.8%
HSLhsl(231.1, 73.2%, 62%)
HSV / HSBhsv(231.1, 62%, 89.8%)
CMYK62%, 52.8%, 0%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,729,509
CSS custom property--colour: #576CE5;

Brightness & contrast

Relative luminance0.18409WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.68:1
Contrast with white4.49:1WCAG normal text: Fail
Contrast with black4.68:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#A8931A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C7DE9no red cones; affects about 1% of men; ΔE 16.3 from the original
Deuteranopia#0071E3no green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#00889Eno blue cones; rare, and affects men and women equally; ΔE 67.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.49:1WCAG large text: AA
Contrast with black, large text4.68:1WCAG large text: AAA

Named colours

Royal blue · ΔE 3.8Slate blue · ΔE 10.4Medium slateblue · ΔE 12.3Medium purple · ΔE 16.6Dodgerblue · ΔE 21.3Cornflower blue · ΔE 27.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 3.78, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E5D057
Analogous#57B3E5, #8957E5
Triadic#E5576C, #6CE557
Split complementary#E58957, #B3E557
Tetradic#E557B3, #E5D057, #57E589

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DBE0FA
Lighter +20%#AFB9F3
Lighter +10%#8393EC
Darker −10%#2B45DE
Darker −20%#1D34B9
Darker −30%#16278D
Darker −40%#0F1B61
More saturated +25%#3F5BFD
Less saturated −25%#6F7DCD

Channel breakdown

R87
G108
B229
Red87 (34.1%)
Green108 (42.4%)
Blue229 (89.8%)
Hue231.13°
Saturation (HSL)73.2%
Lightness61.96%
Dominant channelBlue
Hex per channelR 57 · G 6C · B E5

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Every value on this page was computed from “576ce5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.