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Recognised as Colour

#A13319

  • #A13319
  • Red
  • Dark
  • Nearest: Brown

#A13319 is a red with RGB values 161, 51, 25 and HSL 11°, 73%, 36%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#A13319#A13319
HEX#A13319
RGBrgb(161, 51, 25)
RGB (0–1)0.6314, 0.2, 0.098
RGB percentages63.1%, 20%, 9.8%
HSLhsl(11.5, 73.1%, 36.5%)
HSV / HSBhsv(11.5, 84.5%, 63.1%)
CMYK0%, 68.3%, 84.5%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,564,377
CSS custom property--colour: #A13319;

Brightness & contrast

Relative luminance0.10015WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.99:1
Contrast with white6.99:1WCAG normal text: AA
Contrast with black3:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#5ECCE6

Colour vision & accessibility

Protanopia#534A15no red cones; affects about 1% of men; ΔE 48.6 from the original
Deuteranopia#6E6213no green cones; the most common form, about 1% of men; ΔE 48.7 from the original
Tritanopia#B20E2Eno blue cones; rare, and affects men and women equally; ΔE 19.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.99:1WCAG large text: AAA
Contrast with black, large text3:1WCAG large text: AA

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 10.98, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1987A1
Analogous#A11943, #A17719
Triadic#19A133, #3319A1
Split complementary#19A177, #1943A1
Tetradic#43A119, #1987A1, #7719A1

Tints, shades & saturation

Lighter +40%#EFA897
Lighter +30%#E8836B
Lighter +20%#E15E3F
Lighter +10%#CD4120
Darker −10%#752512
Darker −20%#49170B
Darker −30%#1D0904
Darker −40%#000000
More saturated +25%#B82502
Less saturated −25%#8A4130

Channel breakdown

R161
G51
B25
Red161 (63.1%)
Green51 (20%)
Blue25 (9.8%)
Hue11.47°
Saturation (HSL)73.12%
Lightness36.47%
Dominant channelRed
Hex per channelR A1 · G 33 · B 19

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Every value on this page was computed from “a13319” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.