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Colour

#F0443A

  • #F0443A
  • Red
  • Dark
  • Nearest: Tomato

#F0443A is a red with RGB values 240, 68, 58 and HSL 3°, 86%, 58%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#F0443A#F0443A
HEX#F0443A
RGBrgb(240, 68, 58)
RGB (0–1)0.9412, 0.2667, 0.2275
RGB percentages94.1%, 26.7%, 22.7%
HSLhsl(3.3, 85.8%, 58.4%)
HSV / HSBhsv(3.3, 75.8%, 94.1%)
CMYK0%, 71.7%, 75.8%, 5.9%naive device-independent conversion; real print needs an ICC profile
24-bit integer15,746,106
CSS custom property--colour: #F0443A;

Brightness & contrast

Relative luminance0.22965WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.59:1
Contrast with white3.75:1WCAG normal text: Fail
Contrast with black5.59:1WCAG normal text: AA
Greyscale equivalent#686868
Inverted#0FBBC5

Colour vision & accessibility

Protanopia#776C37no red cones; affects about 1% of men; ΔE 69.9 from the original
Deuteranopia#A29133no green cones; the most common form, about 1% of men; ΔE 69.8 from the original
Tritanopia#FF0043no blue cones; rare, and affects men and women equally; ΔE 17.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.75:1WCAG large text: AA
Contrast with black, large text5.59:1WCAG large text: AAA

Named colours

Nearest named CSS colourTomato (#FF6347)ΔE 9.98, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#3AE6F0
Analogous#F03A8B, #F09F3A
Triadic#3AF044, #443AF0
Split complementary#3AF09F, #3A8BF0
Tetradic#8BF03A, #3AE6F0, #9F3AF0

Tints, shades & saturation

Lighter +40%#FEF8F8
Lighter +30%#FBCBC8
Lighter +20%#F79E99
Lighter +10%#F47169
Darker −10%#E61D11
Darker −20%#B6170E
Darker −30%#87110A
Darker −40%#570B07
More saturated +25%#FF372B
Less saturated −25%#D65C55

Channel breakdown

R240
G68
B58
Red240 (94.1%)
Green68 (26.7%)
Blue58 (22.7%)
Hue3.3°
Saturation (HSL)85.85%
Lightness58.43%
Dominant channelRed
Hex per channelR F0 · G 44 · B 3A

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Every value on this page was computed from “f0443a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.