#831E1A#831E1A

#831E1A is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.137 H 27.5°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#831E1A
RGB	rgb(131, 30, 26)
HSL	hsl(2, 67%, 31%)
HSV	hsv(2, 80%, 51%)
CMYK	cmyk(0%, 77.1%, 80.2%, 48.6%)
CIE-LAB	lab(28.98, 42.26, 28.82)
CIE-LCH	lch(28.98, 51.15, 34.29°)
OKLab	oklab(40.4% 0.1214 0.0633)
OKLCH	oklch(40.4% 0.137 27.5)
XYZ	xyz(10.0120, 5.8300, 1.5752)
Luminance	0.0583 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831E1A #1A7F83

analogous

#831A4A #831E1A #83521A

triadic

#831E1A #1A831E #1E1A83

tetradic

#831E1A #4A831A #1A7F83 #521A83

square

#831E1A #4A831A #1A7F83 #521A83

split-complementary

#831E1A #1A8352 #1A4A83

monochromatic

#1D0706 #501210 #831E1A #B62A24 #D9443F

Accessibility & contrast

On white

9.70

#831E1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#831E1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831E1A

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831E1A	#FFFFFF	#000000	##FFFFFF
##831E1A	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3618

Deuteranopia (green-blind)

#564C16

Tritanopia (blue-blind)

#91001E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831e1a;
/* rgb */ color: rgb(131, 30, 26);
/* oklch */ color: oklch(40.4% 0.137 27.5);

Tailwind

colors: {
  custom: {
    50: '#af6357',
    500: '#831e1a',
    950: '#000000',
  },
}

SCSS

$custom: #831e1a;
$custom-light: #af6357;
$custom-dark: #000000;

JSON

{
  "hex": "#831e1a",
  "rgb": {
    "r": 131,
    "g": 30,
    "b": 26
  },
  "hsl": {
    "h": 2.286,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40403,
    "c": 0.13686,
    "h": 27.5
  },
  "luminance": 0.05828
}

Semantic roles & 50–950 ramp

primary

#831E1A

secondary

#42B2B7

accent

#E3EA3E

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #831E1A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →