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Recognised as Colour

#E9223B

  • #E9223B
  • Red
  • Dark
  • Nearest: Crimson

#E9223B is a red with RGB values 233, 34, 59 and HSL 352°, 82%, 52%. 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

#E9223B#E9223B
HEX#E9223B
RGBrgb(233, 34, 59)
RGB (0–1)0.9137, 0.1333, 0.2314
RGB percentages91.4%, 13.3%, 23.1%
HSLhsl(352.5, 81.9%, 52.4%)
HSV / HSBhsv(352.5, 85.4%, 91.4%)
CMYK0%, 85.4%, 74.7%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,278,651
CSS custom property--colour: #E9223B;

Brightness & contrast

Relative luminance0.18783WCAG 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 4.76:1
Contrast with white4.41:1WCAG normal text: Fail
Contrast with black4.76:1WCAG normal text: AA
Greyscale equivalent#4E4E4E
Inverted#16DDC4

Colour vision & accessibility

Protanopia#665D3Ano red cones; affects about 1% of men; ΔE 76.7 from the original
Deuteranopia#968733no green cones; the most common form, about 1% of men; ΔE 77.1 from the original
Tritanopia#FF002Fno blue cones; rare, and affects men and women equally; ΔE 14.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.41:1WCAG large text: AA
Contrast with black, large text4.76:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 6.27, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#22E9D0
Analogous#E9229E, #E96D22
Triadic#3BE922, #223BE9
Split complementary#22E96D, #229EE9
Tetradic#9FE922, #22E9D0, #6D22E9

Tints, shades & saturation

Lighter +40%#FBDCE0
Lighter +30%#F7ADB6
Lighter +20%#F27F8D
Lighter +10%#EE5064
Darker −10%#C4142A
Darker −20%#960F20
Darker −30%#680A16
Darker −40%#39060C
More saturated +25%#FF0C2B
Less saturated −25%#CB4052

Channel breakdown

R233
G34
B59
Red233 (91.4%)
Green34 (13.3%)
Blue59 (23.1%)
Hue352.46°
Saturation (HSL)81.89%
Lightness52.35%
Dominant channelRed
Hex per channelR E9 · G 22 · B 3B

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Every value on this page was computed from “e9223b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.