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Recognised as Colour

#E5563A

  • #E5563A
  • Red
  • Dark
  • Nearest: Tomato

#E5563A is a red with RGB values 229, 86, 58 and HSL 10°, 77%, 56%. 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

#E5563A#E5563A
HEX#E5563A
RGBrgb(229, 86, 58)
RGB (0–1)0.898, 0.3373, 0.2275
RGB percentages89.8%, 33.7%, 22.7%
HSLhsl(9.8, 76.7%, 56.3%)
HSV / HSBhsv(9.8, 74.7%, 89.8%)
CMYK0%, 62.4%, 74.7%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,029,818
CSS custom property--colour: #E5563A;

Brightness & contrast

Relative luminance0.23619WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.8 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#727272
Inverted#1AA9C5

Colour vision & accessibility

Protanopia#7E7236no red cones; affects about 1% of men; ΔE 59.1 from the original
Deuteranopia#A19135no green cones; the most common form, about 1% of men; ΔE 59.4 from the original
Tritanopia#FB3250no blue cones; rare, and affects men and women equally; ΔE 23 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 7.69, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#3AC9E5
Analogous#E53A73, #E5AB3A
Triadic#3AE556, #563AE5
Split complementary#3AE5AC, #3A73E5
Tetradic#74E53A, #3AC9E5, #AC3AE5

Tints, shades & saturation

Lighter +40%#FDF1EE
Lighter +30%#F7CAC1
Lighter +20%#F1A394
Lighter +10%#EB7D67
Darker −10%#D0391C
Darker −20%#A32D16
Darker −30%#762010
Darker −40%#49140A
More saturated +25%#FF4520
Less saturated −25%#C96956

Channel breakdown

R229
G86
B58
Red229 (89.8%)
Green86 (33.7%)
Blue58 (22.7%)
Hue9.82°
Saturation (HSL)76.68%
Lightness56.27%
Dominant channelRed
Hex per channelR E5 · G 56 · B 3A

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Every value on this page was computed from “e5563a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.