Colour

#5777BD

#5777BD
Blue
Dark
Nearest: Cornflower blue

#5777BD is a blue with RGB values 87, 119, 189 and HSL 221°, 44%, 54%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#5777BD#5777BD

HEX#5777BD

RGBrgb(87, 119, 189)

RGB (0–1)0.3412, 0.4667, 0.7412

RGB percentages34.1%, 46.7%, 74.1%

HSLhsl(221.2, 43.6%, 54.1%)

HSV / HSBhsv(221.2, 54%, 74.1%)

CMYK54%, 37%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,732,285

CSS custom property--colour: #5777BD;

Brightness & contrast

Relative luminance0.18894WCAG 2.x, 0 is black and 1 is white

Perceived brightness121 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.78:1

Contrast with white4.39:1WCAG normal text: Fail

Contrast with black4.78:1WCAG normal text: AA

Greyscale equivalent#757575

Inverted#A88842

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B7DC0no red cones; affects about 1% of men; ΔE 3.1 from the original

Deuteranopia#4F74BBno green cones; the most common form, about 1% of men; ΔE 1.8 from the original

Tritanopia#208691no blue cones; rare, and affects men and women equally; ΔE 42.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.39:1WCAG large text: AA

Contrast with black, large text4.78:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14.5 Steel blue · ΔE 15.5 Dodgerblue · ΔE 24.7 Dark slateblue · ΔE 26.1 Medium purple · ΔE 29.8 Royal blue · ΔE 30.4

Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.5, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BD9D57

Analogous#57AABD, #6A57BD

Triadic#BD5777, #77BD57

Split complementary#BD6A57, #AABD57

Tetradic#BD57AA, #BD9D57, #57BD6A

Tints, shades & saturation

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

Lighter +40%#E9EEF7

Lighter +30%#C5D0E8

Lighter +20%#A0B2DA

Lighter +10%#7C95CB

Darker −10%#3F5EA2

Darker −20%#31497D

Darker −30%#233458

Darker −40%#141E34

More saturated +25%#3A6CDA

Less saturated −25%#7482A0

Channel breakdown

R87

G119

B189

Red87 (34.1%)

Green119 (46.7%)

Blue189 (74.1%)

Hue221.18°

Saturation (HSL)43.59%

Lightness54.12%

Dominant channelBlue

Hex per channelR 57 · G 77 · B BD

Keep nerding

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#5777BD

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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