Colour

#5733FF

#5733FF
Blue
Dark
Nearest: Medium blue

#5733FF is a blue with RGB values 87, 51, 255 and HSL 251°, 100%, 60%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#5733FF#5733FF

HEX#5733FF

RGBrgb(87, 51, 255)

RGB (0–1)0.3412, 0.2, 1

RGB percentages34.1%, 20%, 100%

HSLhsl(250.6, 100%, 60%)

HSV / HSBhsv(250.6, 80%, 100%)

CMYK65.9%, 80%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,714,943

CSS custom property--colour: #5733FF;

Brightness & contrast

Relative luminance0.11614WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.32:1

Contrast with white6.32:1WCAG normal text: AA

Contrast with black3.32:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#A8CC00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0067FFno red cones; affects about 1% of men; ΔE 36.8 from the original

Deuteranopia#0057FCno green cones; the most common form, about 1% of men; ΔE 26.1 from the original

Tritanopia#00739Bno blue cones; rare, and affects men and women equally; ΔE 103.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text6.32:1WCAG large text: AAA

Contrast with black, large text3.32:1WCAG large text: AA

Named colours

Medium blue · ΔE 15.9 Blue violet · ΔE 19.3 Blue · ΔE 19.5 Dark violet · ΔE 24.9 Dark orchid · ΔE 34.1 Dark blue · ΔE 40.3

Nearest named CSS colourMedium blue (#0000CD)ΔE 15.86, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#DBFF33

Analogous#3375FF, #BD33FF

Triadic#FF5733, #33FF57

Split complementary#FFBD33, #75FF33

Tetradic#FF3375, #DBFF33, #33FFBD

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#D5CCFF

Lighter +20%#AB99FF

Lighter +10%#8166FF

Darker −10%#2D00FF

Darker −20%#2400CC

Darker −30%#1B0099

Darker −40%#120066

More saturated +25%#5733FF

Less saturated −25%#684CE6

Channel breakdown

R87

G51

B255

Red87 (34.1%)

Green51 (20%)

Blue255 (100%)

Hue250.59°

Saturation (HSL)100%

Lightness60%

Dominant channelBlue

Hex per channelR 57 · G 33 · B FF

Keep nerding

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#5733FF

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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