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Recognised as Colour

#AF331F

  • #AF331F
  • Red
  • Dark
  • Nearest: Firebrick

#AF331F is a red with RGB values 175, 51, 31 and HSL 8°, 70%, 40%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#AF331F#AF331F
HEX#AF331F
RGBrgb(175, 51, 31)
RGB (0–1)0.6863, 0.2, 0.1216
RGB percentages68.6%, 20%, 12.2%
HSLhsl(8.3, 69.9%, 40.4%)
HSV / HSBhsv(8.3, 82.3%, 68.6%)
CMYK0%, 70.9%, 82.3%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,481,887
CSS custom property--colour: #AF331F;

Brightness & contrast

Relative luminance0.11581WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.33:1
Contrast with white6.33:1WCAG normal text: AA
Contrast with black3.32:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#50CCE0

Colour vision & accessibility

Protanopia#584E1Bno red cones; affects about 1% of men; ΔE 53.4 from the original
Deuteranopia#776A19no green cones; the most common form, about 1% of men; ΔE 53.8 from the original
Tritanopia#C10030no blue cones; rare, and affects men and women equally; ΔE 18.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.33:1WCAG large text: AAA
Contrast with black, large text3.32:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 7.42, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1F9BAF
Analogous#AF1F53, #AF7B1F
Triadic#1FAF33, #331FAF
Split complementary#1FAF7B, #1F53AF
Tetradic#53AF1F, #1F9BAF, #7B1FAF

Tints, shades & saturation

Lighter +40%#F0B4AA
Lighter +30%#E88D7F
Lighter +20%#E16753
Lighter +10%#D94128
Darker −10%#842617
Darker −20%#581A10
Darker −30%#2D0D08
Darker −40%#020000
More saturated +25%#C92005
Less saturated −25%#954639

Channel breakdown

R175
G51
B31
Red175 (68.6%)
Green51 (20%)
Blue31 (12.2%)
Hue8.33°
Saturation (HSL)69.9%
Lightness40.39%
Dominant channelRed
Hex per channelR AF · G 33 · B 1F

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Every value on this page was computed from “af331f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.