Colour

#256ECA

#256ECA
Blue
Dark
Nearest: Dodgerblue

#256ECA is a blue with RGB values 37, 110, 202 and HSL 213°, 69%, 47%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#256ECA#256ECA

HEX#256ECA

RGBrgb(37, 110, 202)

RGB (0–1)0.1451, 0.4314, 0.7922

RGB percentages14.5%, 43.1%, 79.2%

HSLhsl(213.5, 69%, 46.9%)

HSV / HSBhsv(213.5, 81.7%, 79.2%)

CMYK81.7%, 45.5%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,453,194

CSS custom property--colour: #256ECA;

Brightness & contrast

Relative luminance0.15809WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.05:1

Contrast with white5.05:1WCAG normal text: AA

Contrast with black4.16:1WCAG normal text: Fail

Greyscale equivalent#656565

Inverted#DA9135

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3D77CDno red cones; affects about 1% of men; ΔE 5.5 from the original

Deuteranopia#1368C8no green cones; the most common form, about 1% of men; ΔE 3.7 from the original

Tritanopia#008492no blue cones; rare, and affects men and women equally; ΔE 52.5 from the original

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

Contrast with white, large text5.05:1WCAG large text: AAA

Contrast with black, large text4.16:1WCAG large text: AA

Named colours

Dodgerblue · ΔE 15.8 Cornflower blue · ΔE 16 Royal blue · ΔE 18.7 Dark slateblue · ΔE 24.7 Slate blue · ΔE 25 Medium purple · ΔE 27

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 15.82, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CA8125

Analogous#25C0CA, #2F25CA

Triadic#CA256E, #6ECA25

Split complementary#CA2F25, #C0CA25

Tetradic#CA25C0, #CA8125, #25CA2F

Tints, shades & saturation

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

Lighter +40%#C6DBF5

Lighter +30%#9BBFED

Lighter +20%#70A4E5

Lighter +10%#4588DD

Darker −10%#1D579F

Darker −20%#153F74

Darker −30%#0D2849

Darker −40%#05101E

More saturated +25%#076BE8

Less saturated −25%#4371AC

Channel breakdown

R37

G110

B202

Red37 (14.5%)

Green110 (43.1%)

Blue202 (79.2%)

Hue213.45°

Saturation (HSL)69.04%

Lightness46.86%

Dominant channelBlue

Hex per channelR 25 · G 6E · B CA

Keep nerding

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#256ECA

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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