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Recognised as Colour

#E5443D

  • #E5443D
  • Red
  • Dark
  • Nearest: Tomato

#E5443D is a red with RGB values 229, 68, 61 and HSL 2°, 76%, 57%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#E5443D#E5443D
HEX#E5443D
RGBrgb(229, 68, 61)
RGB (0–1)0.898, 0.2667, 0.2392
RGB percentages89.8%, 26.7%, 23.9%
HSLhsl(2.5, 76.4%, 56.9%)
HSV / HSBhsv(2.5, 73.4%, 89.8%)
CMYK0%, 70.3%, 73.4%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,025,213
CSS custom property--colour: #E5443D;

Brightness & contrast

Relative luminance0.21129WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.23:1
Contrast with white4.02:1WCAG normal text: Fail
Contrast with black5.23:1WCAG normal text: AA
Greyscale equivalent#666666
Inverted#1ABBC2

Colour vision & accessibility

Protanopia#73683Bno red cones; affects about 1% of men; ΔE 65.8 from the original
Deuteranopia#9B8C37no green cones; the most common form, about 1% of men; ΔE 66.7 from the original
Tritanopia#FC0044no blue cones; rare, and affects men and women equally; ΔE 19.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.02:1WCAG large text: AA
Contrast with black, large text5.23:1WCAG large text: AAA

Named colours

Nearest named CSS colourTomato (#FF6347)ΔE 11.45, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#3DDEE5
Analogous#E53D8A, #E5983D
Triadic#3DE544, #443DE5
Split complementary#3DE598, #3D8AE5
Tetradic#8AE53D, #3DDEE5, #983DE5

Tints, shades & saturation

Lighter +40%#FDF1F1
Lighter +30%#F7C6C4
Lighter +20%#F19B97
Lighter +10%#EB6F6A
Darker −10%#D3241C
Darker −20%#A61C16
Darker −30%#791510
Darker −40%#4C0D0A
More saturated +25%#FF2C23
Less saturated −25%#CA5D59

Channel breakdown

R229
G68
B61
Red229 (89.8%)
Green68 (26.7%)
Blue61 (23.9%)
Hue2.5°
Saturation (HSL)76.36%
Lightness56.86%
Dominant channelRed
Hex per channelR E5 · G 44 · B 3D

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Every value on this page was computed from “e5443d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.