Recognised as Colour

#531B10

#531B10
Red
Dark
Nearest: Saddle brown

#531B10 is a red with RGB values 83, 27, 16 and HSL 10°, 68%, 19%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#531B10#531B10

HEX#531B10

RGBrgb(83, 27, 16)

RGB (0–1)0.3255, 0.1059, 0.0627

RGB percentages32.5%, 10.6%, 6.3%

HSLhsl(9.9, 67.7%, 19.4%)

HSV / HSBhsv(9.9, 80.7%, 32.5%)

CMYK0%, 67.5%, 80.7%, 67.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,446,416

CSS custom property--colour: #531B10;

Brightness & contrast

Relative luminance0.0266WCAG 2.x, 0 is black and 1 is white

Perceived brightness50.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.71:1

Contrast with white13.71:1WCAG normal text: AAA

Contrast with black1.53:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#ACE4EF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2A260Fno red cones; affects about 1% of men; ΔE 28.3 from the original

Deuteranopia#38320Eno green cones; the most common form, about 1% of men; ΔE 28.2 from the original

Tritanopia#5C0D19no blue cones; rare, and affects men and women equally; ΔE 11.2 from the original

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

Contrast with white, large text13.71:1WCAG large text: AAA

Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 27.6 Maroon · ΔE 29.3 Sienna · ΔE 29.5 Brown · ΔE 32.3 Dark red · ΔE 34.1 Black · ΔE 37.8

Nearest named CSS colourSaddle brown (#8B4513)ΔE 27.62, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#104853

Analogous#531026, #533D10

Triadic#10531B, #1B1053

Split complementary#10533D, #102653

Tetradic#265310, #104853, #3D1053

Tints, shades & saturation

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

Lighter +40%#DE6851

Lighter +30%#D34529

Lighter +20%#A93720

Lighter +10%#7E2918

Darker −10%#280D08

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5F1304

Less saturated −25%#47231C

Channel breakdown

R83

G27

B16

Red83 (32.5%)

Green27 (10.6%)

Blue16 (6.3%)

Hue9.85°

Saturation (HSL)67.68%

Lightness19.41%

Dominant channelRed

Hex per channelR 53 · G 1B · B 10

Keep nerding

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

#531B10

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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