Colour

#5784FF

#5784FF
Blue
Dark
Nearest: Royal blue

#5784FF is a blue with RGB values 87, 132, 255 and HSL 224°, 100%, 67%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#5784FF#5784FF

HEX#5784FF

RGBrgb(87, 132, 255)

RGB (0–1)0.3412, 0.5176, 1

RGB percentages34.1%, 51.8%, 100%

HSLhsl(223.9, 100%, 67.1%)

HSV / HSBhsv(223.9, 65.9%, 100%)

CMYK65.9%, 48.2%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,735,679

CSS custom property--colour: #5784FF;

Brightness & contrast

Relative luminance0.25749WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.15:1

Contrast with white3.41:1WCAG normal text: Fail

Contrast with black6.15:1WCAG normal text: AA

Greyscale equivalent#838383

Inverted#A87B00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4193FFno red cones; affects about 1% of men; ΔE 13.4 from the original

Deuteranopia#1184FCno green cones; the most common form, about 1% of men; ΔE 8.1 from the original

Tritanopia#00A1B5no blue cones; rare, and affects men and women equally; ΔE 68.3 from the original

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

Contrast with white, large text3.41:1WCAG large text: AA

Contrast with black, large text6.15:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.4 Dodgerblue · ΔE 13.6 Medium slateblue · ΔE 18.7 Slate blue · ΔE 19.6 Medium purple · ΔE 21 Cornflower blue · ΔE 22

Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.44, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFD257

Analogous#57D8FF, #7E57FF

Triadic#FF5784, #84FF57

Split complementary#FF7E57, #D8FF57

Tetradic#FF57D8, #FFD257, #57FF7E

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F0F4FF

Lighter +20%#BDCFFF

Lighter +10%#8AA9FF

Darker −10%#245FFF

Darker −20%#0040F0

Darker −30%#0033BD

Darker −40%#00258A

More saturated +25%#5784FF

Less saturated −25%#6C8EEA

Channel breakdown

R87

G132

B255

Red87 (34.1%)

Green132 (51.8%)

Blue255 (100%)

Hue223.93°

Saturation (HSL)100%

Lightness67.06%

Dominant channelBlue

Hex per channelR 57 · G 84 · B FF

Keep nerding

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#5784FF

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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