Recognised as Colour

#57191F

#57191F
Red
Dark
Nearest: Maroon

#57191F is a red with RGB values 87, 25, 31 and HSL 354°, 55%, 22%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#57191F#57191F

HEX#57191F

RGBrgb(87, 25, 31)

RGB (0–1)0.3412, 0.098, 0.1216

RGB percentages34.1%, 9.8%, 12.2%

HSLhsl(354.2, 55.4%, 22%)

HSV / HSBhsv(354.2, 71.3%, 34.1%)

CMYK0%, 71.3%, 64.4%, 65.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,708,063

CSS custom property--colour: #57191F;

Brightness & contrast

Relative luminance0.0282WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.43:1

Contrast with white13.43:1WCAG normal text: AAA

Contrast with black1.56:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#A8E6E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#29271Fno red cones; affects about 1% of men; ΔE 30.7 from the original

Deuteranopia#39341Dno green cones; the most common form, about 1% of men; ΔE 31.1 from the original

Tritanopia#600C1Cno blue cones; rare, and affects men and women equally; ΔE 8.3 from the original

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

Contrast with white, large text13.43:1WCAG large text: AAA

Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Maroon · ΔE 33 Brown · ΔE 33.3 Sienna · ΔE 34.1 Saddle brown · ΔE 34.4 Black · ΔE 36.8 Dark red · ΔE 37.8

Nearest named CSS colourMaroon (#800000)ΔE 32.96, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#195751

Analogous#57193E, #573219

Triadic#1F5719, #191F57

Split complementary#195732, #193E57

Tetradic#3E5719, #195751, #321957

Tints, shades & saturation

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

Lighter +40%#D46873

Lighter +30%#C8414E

Lighter +20%#A6303B

Lighter +10%#7F242D

Darker −10%#2F0E11

Darker −20%#080203

Darker −30%#000000

Darker −40%#000000

More saturated +25%#650B14

Less saturated −25%#49272A

Channel breakdown

R87

G25

B31

Red87 (34.1%)

Green25 (9.8%)

Blue31 (12.2%)

Hue354.19°

Saturation (HSL)55.36%

Lightness21.96%

Dominant channelRed

Hex per channelR 57 · G 19 · B 1F

Keep nerding

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

#57191F

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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