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Colour

#AC443A

  • #AC443A
  • Red
  • Dark
  • Nearest: Brown

#AC443A is a red with RGB values 172, 68, 58 and HSL 5°, 50%, 45%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#AC443A#AC443A
HEX#AC443A
RGBrgb(172, 68, 58)
RGB (0–1)0.6745, 0.2667, 0.2275
RGB percentages67.5%, 26.7%, 22.7%
HSLhsl(5.3, 49.6%, 45.1%)
HSV / HSBhsv(5.3, 66.3%, 67.5%)
CMYK0%, 60.5%, 66.3%, 32.5%naive device-independent conversion; real print needs an ICC profile
24-bit integer11,289,658
CSS custom property--colour: #AC443A;

Brightness & contrast

Relative luminance0.1321WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.77:1
Contrast with white5.77:1WCAG normal text: AA
Contrast with black3.64:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#53BBC5

Colour vision & accessibility

Protanopia#5F5838no red cones; affects about 1% of men; ΔE 45.6 from the original
Deuteranopia#796E37no green cones; the most common form, about 1% of men; ΔE 45.8 from the original
Tritanopia#BD2E42no blue cones; rare, and affects men and women equally; ΔE 15.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.77:1WCAG large text: AAA
Contrast with black, large text3.64:1WCAG large text: AA

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 9.88, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#3AA2AC
Analogous#AC3A69, #AC7D3A
Triadic#3AAC44, #443AAC
Split complementary#3AAC7D, #3A69AC
Tetradic#69AC3A, #3AA2AC, #7D3AAC

Tints, shades & saturation

Lighter +40%#ECC9C6
Lighter +30%#DFA6A0
Lighter +20%#D2827A
Lighter +10%#C55E54
Darker −10%#86352D
Darker −20%#602620
Darker −30%#3A1713
Darker −40%#130807
More saturated +25%#C92C1D
Less saturated −25%#8F5C57

Channel breakdown

R172
G68
B58
Red172 (67.5%)
Green68 (26.7%)
Blue58 (22.7%)
Hue5.26°
Saturation (HSL)49.57%
Lightness45.1%
Dominant channelRed
Hex per channelR AC · G 44 · B 3A

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Every value on this page was computed from “ac443a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.