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Recognised as Colour

#571A25

  • #571A25
  • Red
  • Dark
  • Nearest: Brown

#571A25 is a red with RGB values 87, 26, 37 and HSL 349°, 54%, 22%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#571A25#571A25
HEX#571A25
RGBrgb(87, 26, 37)
RGB (0–1)0.3412, 0.102, 0.1451
RGB percentages34.1%, 10.2%, 14.5%
HSLhsl(349.2, 54%, 22.2%)
HSV / HSBhsv(349.2, 70.1%, 34.1%)
CMYK0%, 70.1%, 57.5%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,708,325
CSS custom property--colour: #571A25;

Brightness & contrast

Relative luminance0.02899WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.29:1
Contrast with white13.29:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#A8E5DA

Colour vision & accessibility

Protanopia#282825no red cones; affects about 1% of men; ΔE 30.6 from the original
Deuteranopia#383424no green cones; the most common form, about 1% of men; ΔE 30.5 from the original
Tritanopia#5F0F1Eno blue cones; rare, and affects men and women equally; ΔE 8.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.29:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 35.35, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1A574C
Analogous#571A44, #572D1A
Triadic#25571A, #1A2557
Split complementary#1A572D, #1A4457
Tetradic#44571A, #1A574C, #2D1A57

Tints, shades & saturation

Lighter +40%#D36A7D
Lighter +30%#C7435B
Lighter +20%#A63146
Lighter +10%#7E2636
Darker −10%#300E14
Darker −20%#080304
Darker −30%#000000
Darker −40%#000000
More saturated +25%#650C1C
Less saturated −25%#49282E

Channel breakdown

R87
G26
B37
Red87 (34.1%)
Green26 (10.2%)
Blue37 (14.5%)
Hue349.18°
Saturation (HSL)53.98%
Lightness22.16%
Dominant channelRed
Hex per channelR 57 · G 1A · B 25

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Every value on this page was computed from “571a25” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.