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Recognised as Colour

#E55547

  • #E55547
  • Red
  • Dark
  • Nearest: Tomato

#E55547 is a red with RGB values 229, 85, 71 and HSL 5°, 75%, 59%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#E55547#E55547
HEX#E55547
RGBrgb(229, 85, 71)
RGB (0–1)0.898, 0.3333, 0.2784
RGB percentages89.8%, 33.3%, 27.8%
HSLhsl(5.3, 75.2%, 58.8%)
HSV / HSBhsv(5.3, 69%, 89.8%)
CMYK0%, 62.9%, 69%, 10.2%naive device-independent conversion; real print needs an ICC profile
24-bit integer15,029,575
CSS custom property--colour: #E55547;

Brightness & contrast

Relative luminance0.2361WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.72:1
Contrast with white3.67:1WCAG normal text: Fail
Contrast with black5.72:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#1AAAB8

Colour vision & accessibility

Protanopia#7C7245no red cones; affects about 1% of men; ΔE 59.7 from the original
Deuteranopia#A09143no green cones; the most common form, about 1% of men; ΔE 60 from the original
Tritanopia#FB3253no blue cones; rare, and affects men and women equally; ΔE 20 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.67:1WCAG large text: AA
Contrast with black, large text5.72:1WCAG large text: AAA

Named colours

Nearest named CSS colourTomato (#FF6347)ΔE 11.11, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#47D7E5
Analogous#E54788, #E5A447
Triadic#47E555, #5547E5
Split complementary#47E5A4, #4788E5
Tetradic#88E547, #47D7E5, #A447E5

Tints, shades & saturation

Lighter +40%#FEFAFA
Lighter +30%#F8D1CD
Lighter +20%#F2A8A0
Lighter +10%#EB7E74
Darker −10%#DA2F1F
Darker −20%#AD2619
Darker −30%#811C12
Darker −40%#54120C
More saturated +25%#FF402D
Less saturated −25%#CB6B61

Channel breakdown

R229
G85
B71
Red229 (89.8%)
Green85 (33.3%)
Blue71 (27.8%)
Hue5.32°
Saturation (HSL)75.24%
Lightness58.82%
Dominant channelRed
Hex per channelR E5 · G 55 · B 47

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Every value on this page was computed from “e55547” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.