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Recognised as Colour

#AC102D

  • #AC102D
  • Red
  • Dark
  • Nearest: Brown

#AC102D is a red with RGB values 172, 16, 45 and HSL 349°, 83%, 37%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AC102D#AC102D
HEX#AC102D
RGBrgb(172, 16, 45)
RGB (0–1)0.6745, 0.0627, 0.1765
RGB percentages67.5%, 6.3%, 17.6%
HSLhsl(348.8, 83%, 36.9%)
HSV / HSBhsv(348.8, 90.7%, 67.5%)
CMYK0%, 90.7%, 73.8%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,276,333
CSS custom property--colour: #AC102D;

Brightness & contrast

Relative luminance0.09331WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.33:1
Contrast with white7.33:1WCAG normal text: AAA
Contrast with black2.87:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#53EFD2

Colour vision & accessibility

Protanopia#47422Dno red cones; affects about 1% of men; ΔE 62.6 from the original
Deuteranopia#6C6128no green cones; the most common form, about 1% of men; ΔE 62.4 from the original
Tritanopia#BE001Fno blue cones; rare, and affects men and women equally; ΔE 14.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.33:1WCAG large text: AAA
Contrast with black, large text2.87:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 9.29, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#10AC8F
Analogous#AC107B, #AC4110
Triadic#2DAC10, #102DAC
Split complementary#10AC41, #107BAC
Tetradic#7BAC10, #10AC8F, #4110AC

Tints, shades & saturation

Lighter +40%#F593A5
Lighter +30%#F1647E
Lighter +20%#EC3658
Lighter +10%#DB1439
Darker −10%#7D0C21
Darker −20%#4F0715
Darker −30%#200308
Darker −40%#000000
More saturated +25%#BC0023
Less saturated −25%#95283C

Channel breakdown

R172
G16
B45
Red172 (67.5%)
Green16 (6.3%)
Blue45 (17.6%)
Hue348.85°
Saturation (HSL)82.98%
Lightness36.86%
Dominant channelRed
Hex per channelR AC · G 10 · B 2D

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Every value on this page was computed from “ac102d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.