Colour

#2281DE

#2281DE
Blue
Dark
Nearest: Cornflower blue

#2281DE is a blue with RGB values 34, 129, 222 and HSL 210°, 74%, 50%. 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

#2281DE#2281DE

HEX#2281DE

RGBrgb(34, 129, 222)

RGB (0–1)0.1333, 0.5059, 0.8706

RGB percentages13.3%, 50.6%, 87.1%

HSLhsl(209.7, 74%, 50.2%)

HSV / HSBhsv(209.7, 84.7%, 87.1%)

CMYK84.7%, 41.9%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,261,470

CSS custom property--colour: #2281DE;

Brightness & contrast

Relative luminance0.21315WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.26:1

Contrast with white3.99:1WCAG normal text: Fail

Contrast with black5.26:1WCAG normal text: AA

Greyscale equivalent#747474

Inverted#DD7E21

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5288E2no red cones; affects about 1% of men; ΔE 6.1 from the original

Deuteranopia#2F78DCno green cones; the most common form, about 1% of men; ΔE 7 from the original

Tritanopia#0097A5no blue cones; rare, and affects men and women equally; ΔE 51.7 from the original

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

Contrast with white, large text3.99:1WCAG large text: AA

Contrast with black, large text5.26:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.5 Dodgerblue · ΔE 10.9 Royal blue · ΔE 22.7 Steel blue · ΔE 25.2 Medium purple · ΔE 30.3 Slate blue · ΔE 30.4

Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.54, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DE7F22

Analogous#22DEDD, #2223DE

Triadic#DE2281, #81DE22

Split complementary#DE2223, #DEDD22

Tetradic#DD22DE, #DE7F22, #23DE22

Tints, shades & saturation

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

Lighter +40%#D3E6F9

Lighter +30%#A7CDF2

Lighter +20%#7BB4EB

Lighter +10%#4E9AE5

Darker −10%#1B67B2

Darker −20%#144E86

Darker −30%#0D345A

Darker −40%#071A2D

More saturated +25%#0281FE

Less saturated −25%#4281BE

Channel breakdown

R34

G129

B222

Red34 (13.3%)

Green129 (50.6%)

Blue222 (87.1%)

Hue209.68°

Saturation (HSL)74.02%

Lightness50.2%

Dominant channelBlue

Hex per channelR 22 · G 81 · B DE

Keep nerding

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#2281DE

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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