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Recognised as Colour

#571D16

  • #571D16
  • Red
  • Dark
  • Nearest: Saddle brown

#571D16 is a red with RGB values 87, 29, 22 and HSL 6°, 60%, 21%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#571D16#571D16
HEX#571D16
RGBrgb(87, 29, 22)
RGB (0–1)0.3412, 0.1137, 0.0863
RGB percentages34.1%, 11.4%, 8.6%
HSLhsl(6.5, 59.6%, 21.4%)
HSV / HSBhsv(6.5, 74.7%, 34.1%)
CMYK0%, 66.7%, 74.7%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,709,078
CSS custom property--colour: #571D16;

Brightness & contrast

Relative luminance0.02963WCAG 2.x, 0 is black and 1 is white
Perceived brightness53 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.19:1
Contrast with white13.19:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#A8E2E9

Colour vision & accessibility

Protanopia#2D2815no red cones; affects about 1% of men; ΔE 28.2 from the original
Deuteranopia#3B3514no green cones; the most common form, about 1% of men; ΔE 29 from the original
Tritanopia#60101Cno blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.19:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Nearest named CSS colourSaddle brown (#8B4513)ΔE 28.34, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#165057
Analogous#571630, #573D16
Triadic#16571D, #1D1657
Split complementary#16573E, #163057
Tetradic#305716, #165057, #3D1657

Tints, shades & saturation

Lighter +40%#D76E62
Lighter +30%#CD4939
Lighter +20%#A8382B
Lighter +10%#802B20
Darker −10%#2E0F0C
Darker −20%#060201
Darker −30%#000000
Darker −40%#000000
More saturated +25%#651208
Less saturated −25%#492824

Channel breakdown

R87
G29
B22
Red87 (34.1%)
Green29 (11.4%)
Blue22 (8.6%)
Hue6.46°
Saturation (HSL)59.63%
Lightness21.37%
Dominant channelRed
Hex per channelR 57 · G 1D · B 16

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Every value on this page was computed from “571d16” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.