Colour

#5180CB

#5180CB
Blue
Dark
Nearest: Cornflower blue

#5180CB is a blue with RGB values 81, 128, 203 and HSL 217°, 54%, 56%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#5180CB#5180CB

HEX#5180CB

RGBrgb(81, 128, 203)

RGB (0–1)0.3176, 0.502, 0.7961

RGB percentages31.8%, 50.2%, 79.6%

HSLhsl(216.9, 54%, 55.7%)

HSV / HSBhsv(216.9, 60.1%, 79.6%)

CMYK60.1%, 36.9%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,341,387

CSS custom property--colour: #5180CB;

Brightness & contrast

Relative luminance0.21499WCAG 2.x, 0 is black and 1 is white

Perceived brightness127.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.3:1

Contrast with white3.96:1WCAG normal text: Fail

Contrast with black5.3:1WCAG normal text: AA

Greyscale equivalent#7B7B7B

Inverted#AE7F34

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6086CEno red cones; affects about 1% of men; ΔE 3.6 from the original

Deuteranopia#507BC9no green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#00919Cno blue cones; rare, and affects men and women equally; ΔE 45.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.96:1WCAG large text: AA

Contrast with black, large text5.3:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.4 Steel blue · ΔE 16 Dodgerblue · ΔE 20.8 Royal blue · ΔE 29.5 Dark slateblue · ΔE 29.7 Medium purple · ΔE 30.6

Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.41, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CB9C51

Analogous#51BDCB, #5F51CB

Triadic#CB5180, #80CB51

Split complementary#CB5F51, #BDCB51

Tetradic#CB51BD, #CB9C51, #51CB5F

Tints, shades & saturation

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

Lighter +40%#EEF3FA

Lighter +30%#C7D6EE

Lighter +20%#A0B9E2

Lighter +10%#789DD7

Darker −10%#3666B3

Darker −20%#2A508C

Darker −30%#1E3965

Darker −40%#12233E

More saturated +25%#357AE7

Less saturated −25%#6D86AF

Channel breakdown

R81

G128

B203

Red81 (31.8%)

Green128 (50.2%)

Blue203 (79.6%)

Hue216.89°

Saturation (HSL)53.98%

Lightness55.69%

Dominant channelBlue

Hex per channelR 51 · G 80 · B CB

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#5180CB

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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