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Recognised as Colour

#F01807

  • #F01807
  • Red
  • Dark
  • Nearest: Red

#F01807 is a red with RGB values 240, 24, 7 and HSL 4°, 94%, 48%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#F01807#F01807
HEX#F01807
RGBrgb(240, 24, 7)
RGB (0–1)0.9412, 0.0941, 0.0275
RGB percentages94.1%, 9.4%, 2.7%
HSLhsl(4.4, 94.3%, 48.4%)
HSV / HSBhsv(4.4, 97.1%, 94.1%)
CMYK0%, 90%, 97.1%, 5.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,734,791
CSS custom property--colour: #F01807;

Brightness & contrast

Relative luminance0.19194WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.84:1
Contrast with white4.34:1WCAG normal text: Fail
Contrast with black4.84:1WCAG normal text: AA
Greyscale equivalent#454545
Inverted#0FE7F8

Colour vision & accessibility

Protanopia#695C00no red cones; affects about 1% of men; ΔE 80.7 from the original
Deuteranopia#9B8900no green cones; the most common form, about 1% of men; ΔE 79.8 from the original
Tritanopia#FF001Bno blue cones; rare, and affects men and women equally; ΔE 7.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.34:1WCAG large text: AA
Contrast with black, large text4.84:1WCAG large text: AAA

Named colours

Nearest named CSS colourRed (#FF0000)ΔE 7.7, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#07DFF0
Analogous#F0076B, #F08D07
Triadic#07F018, #1807F0
Split complementary#07F08C, #076BF0
Tetradic#6AF007, #07DFF0, #8C07F0

Tints, shades & saturation

Lighter +40%#FDCAC6
Lighter +30%#FC9C94
Lighter +20%#FA6E63
Lighter +10%#F94031
Darker −10%#BE1306
Darker −20%#8D0E04
Darker −30%#5B0903
Darker −40%#2A0401
More saturated +25%#F71200
Less saturated −25%#D13226

Channel breakdown

R240
G24
B7
Red240 (94.1%)
Green24 (9.4%)
Blue7 (2.7%)
Hue4.38°
Saturation (HSL)94.33%
Lightness48.43%
Dominant channelRed
Hex per channelR F0 · G 18 · B 07

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Every value on this page was computed from “f01807” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.