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Recognised as Colour

#A9273F

  • #A9273F
  • Red
  • Dark
  • Nearest: Brown

#A9273F is a red with RGB values 169, 39, 63 and HSL 349°, 63%, 41%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#A9273F#A9273F
HEX#A9273F
RGBrgb(169, 39, 63)
RGB (0–1)0.6627, 0.1529, 0.2471
RGB percentages66.3%, 15.3%, 24.7%
HSLhsl(348.9, 62.5%, 40.8%)
HSV / HSBhsv(348.9, 76.9%, 66.3%)
CMYK0%, 76.9%, 62.7%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,085,631
CSS custom property--colour: #A9273F;

Brightness & contrast

Relative luminance0.10245WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.89:1
Contrast with white6.89:1WCAG normal text: AA
Contrast with black3.05:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#56D8C0

Colour vision & accessibility

Protanopia#4C493Fno red cones; affects about 1% of men; ΔE 55.7 from the original
Deuteranopia#6D643Bno green cones; the most common form, about 1% of men; ΔE 56.3 from the original
Tritanopia#B90031no blue cones; rare, and affects men and women equally; ΔE 14.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.89:1WCAG large text: AAA
Contrast with black, large text3.05:1WCAG large text: AA

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 12.41, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#27A991
Analogous#A92780, #A95027
Triadic#3FA927, #273FA9
Split complementary#27A950, #2780A9
Tetradic#80A927, #27A991, #5027A9

Tints, shades & saturation

Lighter +40%#EDAFBB
Lighter +30%#E38697
Lighter +20%#DA5C74
Lighter +10%#D03350
Darker −10%#801D30
Darker −20%#561420
Darker −30%#2D0A11
Darker −40%#030101
More saturated +25%#C30D2F
Less saturated −25%#8F414F

Channel breakdown

R169
G39
B63
Red169 (66.3%)
Green39 (15.3%)
Blue63 (24.7%)
Hue348.92°
Saturation (HSL)62.5%
Lightness40.78%
Dominant channelRed
Hex per channelR A9 · G 27 · B 3F

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Every value on this page was computed from “a9273f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.