Colour

#5188FE

#5188FE
Blue
Dark
Nearest: Dodgerblue

#5188FE is a blue with RGB values 81, 136, 254 and HSL 221°, 99%, 66%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#5188FE#5188FE

HEX#5188FE

RGBrgb(81, 136, 254)

RGB (0–1)0.3176, 0.5333, 0.9961

RGB percentages31.8%, 53.3%, 99.6%

HSLhsl(220.9, 98.9%, 65.7%)

HSV / HSBhsv(220.9, 68.1%, 99.6%)

CMYK68.1%, 46.5%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,343,486

CSS custom property--colour: #5188FE;

Brightness & contrast

Relative luminance0.26513WCAG 2.x, 0 is black and 1 is white

Perceived brightness142 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.3:1

Contrast with white3.33:1WCAG normal text: Fail

Contrast with black6.3:1WCAG normal text: AA

Greyscale equivalent#858585

Inverted#AE7701

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A95FFno red cones; affects about 1% of men; ΔE 10.2 from the original

Deuteranopia#2285FCno green cones; the most common form, about 1% of men; ΔE 5.1 from the original

Tritanopia#00A4B7no blue cones; rare, and affects men and women equally; ΔE 65.4 from the original

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

Contrast with white, large text3.33:1WCAG large text: AA

Contrast with black, large text6.3:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 9.6 Royal blue · ΔE 12.7 Cornflower blue · ΔE 18.3 Slate blue · ΔE 22.1 Medium slateblue · ΔE 22.5 Medium purple · ΔE 22.5

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 9.65, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FEC751

Analogous#51DFFE, #7151FE

Triadic#FE5188, #88FE51

Split complementary#FE7151, #DFFE51

Tetradic#FE51DE, #FEC751, #51FE71

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#E9F0FF

Lighter +20%#B6CDFF

Lighter +10%#84ABFE

Darker −10%#1E65FE

Darker −20%#014BE8

Darker −30%#013AB5

Darker −40%#012A82

More saturated +25%#5088FF

Less saturated −25%#6790E8

Channel breakdown

R81

G136

B254

Red81 (31.8%)

Green136 (53.3%)

Blue254 (99.6%)

Hue220.92°

Saturation (HSL)98.86%

Lightness65.69%

Dominant channelBlue

Hex per channelR 51 · G 88 · B FE

Keep nerding

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#5188FE

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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