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Recognised as Colour

#E23440

  • #E23440
  • Red
  • Dark
  • Nearest: Crimson

#E23440 is a red with RGB values 226, 52, 64 and HSL 356°, 75%, 55%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E23440#E23440
HEX#E23440
RGBrgb(226, 52, 64)
RGB (0–1)0.8863, 0.2039, 0.251
RGB percentages88.6%, 20.4%, 25.1%
HSLhsl(355.9, 75%, 54.5%)
HSV / HSBhsv(355.9, 77%, 88.6%)
CMYK0%, 77%, 71.7%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,824,512
CSS custom property--colour: #E23440;

Brightness & contrast

Relative luminance0.18995WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.8:1
Contrast with white4.38:1WCAG normal text: Fail
Contrast with black4.8:1WCAG normal text: AA
Greyscale equivalent#5A5A5A
Inverted#1DCBBF

Colour vision & accessibility

Protanopia#69613Fno red cones; affects about 1% of men; ΔE 70.5 from the original
Deuteranopia#94863Ano green cones; the most common form, about 1% of men; ΔE 70.8 from the original
Tritanopia#F9003Ano blue cones; rare, and affects men and women equally; ΔE 15.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.38:1WCAG large text: AA
Contrast with black, large text4.8:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 6.66, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#34E2D6
Analogous#E23497, #E27F34
Triadic#40E234, #3440E2
Split complementary#34E27F, #3497E2
Tetradic#97E234, #34E2D6, #7F34E2

Tints, shades & saturation

Lighter +40%#FBE6E8
Lighter +30%#F5BABE
Lighter +20%#EF8D94
Lighter +10%#E8616A
Darker −10%#C71C28
Darker −20%#9A161F
Darker −30%#6D1016
Darker −40%#41090D
More saturated +25%#FF1727
Less saturated −25%#C55159

Channel breakdown

R226
G52
B64
Red226 (88.6%)
Green52 (20.4%)
Blue64 (25.1%)
Hue355.86°
Saturation (HSL)75%
Lightness54.51%
Dominant channelRed
Hex per channelR E2 · G 34 · B 40

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Every value on this page was computed from “e23440” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.