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Colour

#F73436

  • #F73436
  • Red
  • Dark
  • Nearest: Crimson

#F73436 is a red with RGB values 247, 52, 54 and HSL 359°, 92%, 59%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F73436#F73436
HEX#F73436
RGBrgb(247, 52, 54)
RGB (0–1)0.9686, 0.2039, 0.2118
RGB percentages96.9%, 20.4%, 21.2%
HSLhsl(359.4, 92.4%, 58.6%)
HSV / HSBhsv(359.4, 78.9%, 96.9%)
CMYK0%, 78.9%, 78.1%, 3.1%naive device-independent conversion; real print needs an ICC profile
24-bit integer16,200,758
CSS custom property--colour: #F73436;

Brightness & contrast

Relative luminance0.22496WCAG 2.x, 0 is black and 1 is white
Perceived brightness142 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.5:1
Contrast with white3.82:1WCAG normal text: Fail
Contrast with black5.5:1WCAG normal text: AA
Greyscale equivalent#5E5E5E
Inverted#08CBC9

Colour vision & accessibility

Protanopia#736833no red cones; affects about 1% of men; ΔE 77 from the original
Deuteranopia#A2922Dno green cones; the most common form, about 1% of men; ΔE 77.5 from the original
Tritanopia#FF0038no blue cones; rare, and affects men and women equally; ΔE 9.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.82:1WCAG large text: AA
Contrast with black, large text5.5:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 15.18, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#34F7F5
Analogous#F73498, #F79334
Triadic#36F734, #3436F7
Split complementary#34F793, #3498F7
Tetradic#98F734, #34F7F5, #9334F7

Tints, shades & saturation

Lighter +40%#FFF8F8
Lighter +30%#FDC7C8
Lighter +20%#FB9697
Lighter +10%#F96567
Darker −10%#EF090C
Darker −20%#BE0709
Darker −30%#8C0607
Darker −40%#5B0405
More saturated +25%#FF2C2E
Less saturated −25%#DD4E50

Channel breakdown

R247
G52
B54
Red247 (96.9%)
Green52 (20.4%)
Blue54 (21.2%)
Hue359.38°
Saturation (HSL)92.42%
Lightness58.63%
Dominant channelRed
Hex per channelR F7 · G 34 · B 36

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Every value on this page was computed from “f73436” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.