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Recognised as Colour

#A13C19

  • #A13C19
  • Orange
  • Dark
  • Nearest: Sienna

#A13C19 is a orange with RGB values 161, 60, 25 and HSL 15°, 73%, 36%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#A13C19#A13C19
HEX#A13C19
RGBrgb(161, 60, 25)
RGB (0–1)0.6314, 0.2353, 0.098
RGB percentages63.1%, 23.5%, 9.8%
HSLhsl(15.4, 73.1%, 36.5%)
HSV / HSBhsv(15.4, 84.5%, 63.1%)
CMYK0%, 62.7%, 84.5%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,566,681
CSS custom property--colour: #A13C19;

Brightness & contrast

Relative luminance0.10879WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.61:1
Contrast with white6.61:1WCAG normal text: AA
Contrast with black3.18:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#5EC3E6

Colour vision & accessibility

Protanopia#594F13no red cones; affects about 1% of men; ΔE 44.4 from the original
Deuteranopia#726514no green cones; the most common form, about 1% of men; ΔE 44.4 from the original
Tritanopia#B12135no blue cones; rare, and affects men and women equally; ΔE 22.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.61:1WCAG large text: AAA
Contrast with black, large text3.18:1WCAG large text: AA

Named colours

Nearest named CSS colourSienna (#A0522D)ΔE 13.06, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#197EA1
Analogous#A1193A, #A18019
Triadic#19A13C, #3C19A1
Split complementary#19A180, #193AA1
Tetradic#3AA119, #197EA1, #8019A1

Tints, shades & saturation

Lighter +40%#EFAE97
Lighter +30%#E88B6B
Lighter +20%#E1693F
Lighter +10%#CD4C20
Darker −10%#752C12
Darker −20%#491B0B
Darker −30%#1D0B04
Darker −40%#000000
More saturated +25%#B83102
Less saturated −25%#8A4730

Channel breakdown

R161
G60
B25
Red161 (63.1%)
Green60 (23.5%)
Blue25 (9.8%)
Hue15.44°
Saturation (HSL)73.12%
Lightness36.47%
Dominant channelRed
Hex per channelR A1 · G 3C · B 19

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Every value on this page was computed from “a13c19” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.