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Recognised as Colour

#2281EA

  • #2281EA
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2281EA is a blue with RGB values 34, 129, 234 and HSL 212°, 83%, 53%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2281EA#2281EA
HEX#2281EA
RGBrgb(34, 129, 234)
RGB (0–1)0.1333, 0.5059, 0.9176
RGB percentages13.3%, 50.6%, 91.8%
HSLhsl(211.5, 82.6%, 52.5%)
HSV / HSBhsv(211.5, 85.5%, 91.8%)
CMYK85.5%, 44.9%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,261,482
CSS custom property--colour: #2281EA;

Brightness & contrast

Relative luminance0.21981WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.4:1
Contrast with white3.89:1WCAG normal text: Fail
Contrast with black5.4:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#DD7E15

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#488AEEno red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#1479E8no green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#009AAAno blue cones; rare, and affects men and women equally; ΔE 57.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.89:1WCAG large text: AA
Contrast with black, large text5.4:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.3Cornflower blue · ΔE 13.8Royal blue · ΔE 16.8Slate blue · ΔE 26.2Medium purple · ΔE 27.4Medium slateblue · ΔE 30.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.32, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EA8B22
Analogous#22E5EA, #2722EA
Triadic#EA2281, #81EA22
Split complementary#EA2722, #E5EA22
Tetradic#EA22E5, #EA8B22, #22EA27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCEBFC
Lighter +30%#AED1F7
Lighter +20%#7FB6F3
Lighter +10%#519CEE
Darker −10%#1368C6
Darker −20%#0E5098
Darker −30%#0A3769
Darker −40%#061F3A
More saturated +25%#0D80FF
Less saturated −25%#4083CC

Channel breakdown

R34
G129
B234
Red34 (13.3%)
Green129 (50.6%)
Blue234 (91.8%)
Hue211.5°
Saturation (HSL)82.64%
Lightness52.55%
Dominant channelBlue
Hex per channelR 22 · G 81 · B EA

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Every value on this page was computed from “2281ea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.