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Recognised as Colour

#E73155

  • #E73155
  • Red
  • Dark
  • Nearest: Crimson

#E73155 is a red with RGB values 231, 49, 85 and HSL 348°, 79%, 55%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E73155#E73155
HEX#E73155
RGBrgb(231, 49, 85)
RGB (0–1)0.9059, 0.1922, 0.3333
RGB percentages90.6%, 19.2%, 33.3%
HSLhsl(348.1, 79.1%, 54.9%)
HSV / HSBhsv(348.1, 78.8%, 90.6%)
CMYK0%, 78.8%, 63.2%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,151,445
CSS custom property--colour: #E73155;

Brightness & contrast

Relative luminance0.19841WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.97:1
Contrast with white4.23:1WCAG normal text: Fail
Contrast with black4.97:1WCAG normal text: AA
Greyscale equivalent#5A5A5A
Inverted#18CEAA

Colour vision & accessibility

Protanopia#676355no red cones; affects about 1% of men; ΔE 72.7 from the original
Deuteranopia#958950no green cones; the most common form, about 1% of men; ΔE 73.4 from the original
Tritanopia#FD0041no blue cones; rare, and affects men and women equally; ΔE 18.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.23:1WCAG large text: AA
Contrast with black, large text4.97:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 10.09, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#31E7C3
Analogous#E731B0, #E76831
Triadic#55E731, #3155E7
Split complementary#31E768, #31B0E7
Tetradic#B0E731, #31E7C3, #6831E7

Tints, shades & saturation

Lighter +40%#FCE8EC
Lighter +30%#F7BAC6
Lighter +20%#F28CA0
Lighter +10%#EC5F7B
Darker −10%#CD183C
Darker −20%#9F132E
Darker −30%#720D21
Darker −40%#440814
More saturated +25%#FF1946
Less saturated −25%#CA4E66

Channel breakdown

R231
G49
B85
Red231 (90.6%)
Green49 (19.2%)
Blue85 (33.3%)
Hue348.13°
Saturation (HSL)79.13%
Lightness54.9%
Dominant channelRed
Hex per channelR E7 · G 31 · B 55

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Every value on this page was computed from “e73155” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.