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Recognised as Colour

#2271C4

  • #2271C4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2271C4 is a blue with RGB values 34, 113, 196 and HSL 211°, 70%, 45%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2271C4#2271C4
HEX#2271C4
RGBrgb(34, 113, 196)
RGB (0–1)0.1333, 0.4431, 0.7686
RGB percentages13.3%, 44.3%, 76.9%
HSLhsl(210.7, 70.4%, 45.1%)
HSV / HSBhsv(210.7, 82.7%, 76.9%)
CMYK82.7%, 42.3%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,257,348
CSS custom property--colour: #2271C4;

Brightness & contrast

Relative luminance0.16136WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.97:1
Contrast with white4.97:1WCAG normal text: AA
Contrast with black4.23:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#DD8E3B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4778C7no red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#2969C2no green cones; the most common form, about 1% of men; ΔE 6 from the original
Tritanopia#008591no blue cones; rare, and affects men and women equally; ΔE 47.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.97:1WCAG large text: AAA
Contrast with black, large text4.23:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 15Dodgerblue · ΔE 18.5Steel blue · ΔE 21.5Royal blue · ΔE 24.8Dark slateblue · ΔE 26.4Slate blue · ΔE 30.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C47522
Analogous#22C2C4, #2422C4
Triadic#C42271, #71C422
Split complementary#C42422, #C2C422
Tetradic#C422C2, #C47522, #22C424

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BED8F4
Lighter +30%#93BEEC
Lighter +20%#67A4E5
Lighter +10%#3C8BDD
Darker −10%#1A5899
Darker −20%#133F6D
Darker −30%#0B2642
Darker −40%#040D16
More saturated +25%#0570E1
Less saturated −25%#3F72A7

Channel breakdown

R34
G113
B196
Red34 (13.3%)
Green113 (44.3%)
Blue196 (76.9%)
Hue210.74°
Saturation (HSL)70.43%
Lightness45.1%
Dominant channelBlue
Hex per channelR 22 · G 71 · B C4

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Every value on this page was computed from “2271c4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.