Colour

#587FCE

#587FCE
Blue
Dark
Nearest: Cornflower blue

#587FCE is a blue with RGB values 88, 127, 206 and HSL 220°, 55%, 58%. 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

#587FCE#587FCE

HEX#587FCE

RGBrgb(88, 127, 206)

RGB (0–1)0.3451, 0.498, 0.8078

RGB percentages34.5%, 49.8%, 80.8%

HSLhsl(220.2, 54.6%, 57.6%)

HSV / HSBhsv(220.2, 57.3%, 80.8%)

CMYK57.3%, 38.3%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,799,886

CSS custom property--colour: #587FCE;

Brightness & contrast

Relative luminance0.2171WCAG 2.x, 0 is black and 1 is white

Perceived brightness128.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.34:1

Contrast with white3.93:1WCAG normal text: Fail

Contrast with black5.34:1WCAG normal text: AA

Greyscale equivalent#7C7C7C

Inverted#A78031

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E86D1no red cones; affects about 1% of men; ΔE 3.8 from the original

Deuteranopia#4F7BCCno green cones; the most common form, about 1% of men; ΔE 2.3 from the original

Tritanopia#00909Cno blue cones; rare, and affects men and women equally; ΔE 47.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.93:1WCAG large text: AA

Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.3 Steel blue · ΔE 19 Dodgerblue · ΔE 19.2 Royal blue · ΔE 26.7 Medium purple · ΔE 27.4 Dark slateblue · ΔE 28.1

Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.28, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CEA758

Analogous#58BACE, #6C58CE

Triadic#CE587F, #7FCE58

Split complementary#CE6C58, #BACE58

Tetradic#CE58BA, #CEA758, #58CE6C

Tints, shades & saturation

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

Lighter +40%#F6F8FC

Lighter +30%#CEDAF1

Lighter +20%#A7BBE5

Lighter +10%#7F9DDA

Darker −10%#3763BC

Darker −20%#2C4E94

Darker −30%#20396D

Darker −40%#142546

More saturated +25%#3D76E9

Less saturated −25%#7388B3

Channel breakdown

R88

G127

B206

Red88 (34.5%)

Green127 (49.8%)

Blue206 (80.8%)

Hue220.17°

Saturation (HSL)54.63%

Lightness57.65%

Dominant channelBlue

Hex per channelR 58 · G 7F · B CE

Keep nerding

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

#587FCE

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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