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Colour

#F4541F

  • #F4541F
  • Red
  • Dark
  • Nearest: Orange red

#F4541F is a red with RGB values 244, 84, 31 and HSL 15°, 91%, 54%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#F4541F#F4541F
HEX#F4541F
RGBrgb(244, 84, 31)
RGB (0–1)0.9569, 0.3294, 0.1216
RGB percentages95.7%, 32.9%, 12.2%
HSLhsl(14.9, 90.6%, 53.9%)
HSV / HSBhsv(14.9, 87.3%, 95.7%)
CMYK0%, 65.6%, 87.3%, 4.3%naive device-independent conversion; real print needs an ICC profile
24-bit integer16,012,319
CSS custom property--colour: #F4541F;

Brightness & contrast

Relative luminance0.25673WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.13:1
Contrast with white3.42:1WCAG normal text: Fail
Contrast with black6.13:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#0BABE0

Colour vision & accessibility

Protanopia#837413no red cones; affects about 1% of men; ΔE 65 from the original
Deuteranopia#AB9813no green cones; the most common form, about 1% of men; ΔE 65.2 from the original
Tritanopia#FF1F4Bno blue cones; rare, and affects men and women equally; ΔE 31.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.42:1WCAG large text: AA
Contrast with black, large text6.13:1WCAG large text: AAA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 12.41, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1FBFF4
Analogous#F41F55, #F4BF1F
Triadic#1FF454, #541FF4
Split complementary#1FF4BF, #1F54F4
Tetradic#54F41F, #1FBFF4, #BE1FF4

Tints, shades & saturation

Lighter +40%#FEE8E1
Lighter +30%#FBC3B1
Lighter +20%#F99E80
Lighter +10%#F67950
Darker −10%#D63D0A
Darker −20%#A52F08
Darker −30%#742106
Darker −40%#441303
More saturated +25%#FF4E14
Less saturated −25%#D7633C

Channel breakdown

R244
G84
B31
Red244 (95.7%)
Green84 (32.9%)
Blue31 (12.2%)
Hue14.93°
Saturation (HSL)90.64%
Lightness53.92%
Dominant channelRed
Hex per channelR F4 · G 54 · B 1F

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Every value on this page was computed from “f4541f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.