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Recognised as Colour

#F6171A

  • #F6171A
  • Red
  • Dark
  • Nearest: Red

#F6171A is a red with RGB values 246, 23, 26 and HSL 359°, 93%, 53%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#F6171A#F6171A
HEX#F6171A
RGBrgb(246, 23, 26)
RGB (0–1)0.9647, 0.0902, 0.102
RGB percentages96.5%, 9%, 10.2%
HSLhsl(359.2, 92.5%, 52.7%)
HSV / HSBhsv(359.2, 90.7%, 96.5%)
CMYK0%, 90.7%, 89.4%, 3.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,127,770
CSS custom property--colour: #F6171A;

Brightness & contrast

Relative luminance0.2028WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.06:1
Contrast with white4.15:1WCAG normal text: Fail
Contrast with black5.06:1WCAG normal text: AA
Greyscale equivalent#474747
Inverted#09E8E5

Colour vision & accessibility

Protanopia#6B5F14no red cones; affects about 1% of men; ΔE 82.7 from the original
Deuteranopia#9E8D00no green cones; the most common form, about 1% of men; ΔE 82.6 from the original
Tritanopia#FF001Fno blue cones; rare, and affects men and women equally; ΔE 4.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.15:1WCAG large text: AA
Contrast with black, large text5.06:1WCAG large text: AAA

Named colours

Nearest named CSS colourRed (#FF0000)ΔE 10.04, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#17F6F3
Analogous#F6178A, #F68417
Triadic#1AF617, #171AF6
Split complementary#17F684, #178AF6
Tetradic#89F617, #17F6F3, #8317F6

Tints, shades & saturation

Lighter +40%#FEDBDC
Lighter +30%#FCAAAB
Lighter +20%#FA797B
Lighter +10%#F8484A
Darker −10%#D2080B
Darker −20%#A10608
Darker −30%#700406
Darker −40%#3F0203
More saturated +25%#FF0E11
Less saturated −25%#D83537

Channel breakdown

R246
G23
B26
Red246 (96.5%)
Green23 (9%)
Blue26 (10.2%)
Hue359.19°
Saturation (HSL)92.53%
Lightness52.75%
Dominant channelRed
Hex per channelR F6 · G 17 · B 1A

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Every value on this page was computed from “f6171a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.