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Recognised as Colour

#A72011

  • #A72011
  • Red
  • Dark
  • Nearest: Firebrick

#A72011 is a red with RGB values 167, 32, 17 and HSL 6°, 82%, 36%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A72011#A72011
HEX#A72011
RGBrgb(167, 32, 17)
RGB (0–1)0.6549, 0.1255, 0.0667
RGB percentages65.5%, 12.5%, 6.7%
HSLhsl(6, 81.5%, 36.1%)
HSV / HSBhsv(6, 89.8%, 65.5%)
CMYK0%, 80.8%, 89.8%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,952,721
CSS custom property--colour: #A72011;

Brightness & contrast

Relative luminance0.09289WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.35:1
Contrast with white7.35:1WCAG normal text: AAA
Contrast with black2.86:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#58DFEE

Colour vision & accessibility

Protanopia#4C430Cno red cones; affects about 1% of men; ΔE 57.4 from the original
Deuteranopia#6D6005no green cones; the most common form, about 1% of men; ΔE 57 from the original
Tritanopia#B9001Fno blue cones; rare, and affects men and women equally; ΔE 11.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.35:1WCAG large text: AAA
Contrast with black, large text2.86:1WCAG large text: Fail

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 6.85, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1198A7
Analogous#A7114D, #A76B11
Triadic#11A720, #2011A7
Split complementary#11A76B, #114DA7
Tetradic#4DA711, #1198A7, #6B11A7

Tints, shades & saturation

Lighter +40%#F49A90
Lighter +30%#EF7062
Lighter +20%#EA4634
Lighter +10%#D52916
Darker −10%#79170C
Darker −20%#4A0E08
Darker −30%#1C0503
Darker −40%#000000
More saturated +25%#B81200
Less saturated −25%#903228

Channel breakdown

R167
G32
B17
Red167 (65.5%)
Green32 (12.5%)
Blue17 (6.7%)
Hue6°
Saturation (HSL)81.52%
Lightness36.08%
Dominant channelRed
Hex per channelR A7 · G 20 · B 11

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Every value on this page was computed from “a72011” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.