Recognised as Colour

#571D10

#571D10
Red
Dark
Nearest: Saddle brown

#571D10 is a red with RGB values 87, 29, 16 and HSL 11°, 69%, 20%. 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

#571D10#571D10

HEX#571D10

RGBrgb(87, 29, 16)

RGB (0–1)0.3412, 0.1137, 0.0627

RGB percentages34.1%, 11.4%, 6.3%

HSLhsl(11, 68.9%, 20.2%)

HSV / HSBhsv(11, 81.6%, 34.1%)

CMYK0%, 66.7%, 81.6%, 65.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,709,072

CSS custom property--colour: #571D10;

Brightness & contrast

Relative luminance0.02942WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.22:1

Contrast with white13.22:1WCAG normal text: AAA

Contrast with black1.59:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#A8E2EF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2D280Eno red cones; affects about 1% of men; ΔE 28.7 from the original

Deuteranopia#3B350Eno green cones; the most common form, about 1% of men; ΔE 29.2 from the original

Tritanopia#600F1Ano blue cones; rare, and affects men and women equally; ΔE 11.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text13.22:1WCAG large text: AAA

Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 25.6 Sienna · ΔE 27.6 Maroon · ΔE 27.6 Brown · ΔE 30.7 Dark red · ΔE 32.4 Indian red · ΔE 38.5

Nearest named CSS colourSaddle brown (#8B4513)ΔE 25.64, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#104A57

Analogous#571026, #574110

Triadic#10571D, #1D1057

Split complementary#105740, #102757

Tetradic#265710, #104A57, #401057

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#DF6D54

Lighter +30%#D84928

Lighter +20%#AD3A20

Lighter +10%#822B18

Darker −10%#2C0F08

Darker −20%#010000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#641503

Less saturated −25%#4A251D

Channel breakdown

R87

G29

B16

Red87 (34.1%)

Green29 (11.4%)

Blue16 (6.3%)

Hue10.99°

Saturation (HSL)68.93%

Lightness20.2%

Dominant channelRed

Hex per channelR 57 · G 1D · B 10

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#571D10

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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