Recognised as Colour

#831F1A

#831F1A
Red
Dark
Nearest: Maroon

#831F1A is a red with RGB values 131, 31, 26 and HSL 3°, 67%, 31%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#831F1A#831F1A

HEX#831F1A

RGBrgb(131, 31, 26)

RGB (0–1)0.5137, 0.1216, 0.102

RGB percentages51.4%, 12.2%, 10.2%

HSLhsl(2.9, 66.9%, 30.8%)

HSV / HSBhsv(2.9, 80.2%, 51.4%)

CMYK0%, 76.3%, 80.2%, 48.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,593,178

CSS custom property--colour: #831F1A;

Brightness & contrast

Relative luminance0.0588WCAG 2.x, 0 is black and 1 is white

Perceived brightness76 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.65:1

Contrast with white9.65:1WCAG normal text: AAA

Contrast with black2.18:1WCAG normal text: Fail

Greyscale equivalent#343434

Inverted#7CE0E5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3D3718no red cones; affects about 1% of men; ΔE 45.5 from the original

Deuteranopia#564D16no green cones; the most common form, about 1% of men; ΔE 45.7 from the original

Tritanopia#91001Fno blue cones; rare, and affects men and women equally; ΔE 11.5 from the original

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

Contrast with white, large text9.65:1WCAG large text: AAA

Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Maroon · ΔE 11.6 Brown · ΔE 11.6 Dark red · ΔE 15.4 Firebrick · ΔE 19.3 Sienna · ΔE 20.5 Saddle brown · ΔE 21.3

Nearest named CSS colourMaroon (#800000)ΔE 11.55, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1A7E83

Analogous#831A4A, #83531A

Triadic#1A831F, #1F1A83

Split complementary#1A8354, #1A4983

Tetradic#49831A, #1A7E83, #541A83

Tints, shades & saturation

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

Lighter +40%#E68783

Lighter +30%#DE5E58

Lighter +20%#D5362E

Lighter +10%#AE2922

Darker −10%#581512

Darker −20%#2E0B09

Darker −30%#030101

Darker −40%#000000

More saturated +25%#970D06

Less saturated −25%#6F312E

Channel breakdown

R131

G31

B26

Red131 (51.4%)

Green31 (12.2%)

Blue26 (10.2%)

Hue2.86°

Saturation (HSL)66.88%

Lightness30.78%

Dominant channelRed

Hex per channelR 83 · G 1F · B 1A

Keep nerding

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

#831F1A

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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