#831E1C#831E1C

#831E1C is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.137 H 26.7°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#831E1C
RGB	rgb(131, 30, 28)
HSL	hsl(1, 65%, 31%)
HSV	hsv(1, 79%, 51%)
CMYK	cmyk(0%, 77.1%, 78.6%, 48.6%)
CIE-LAB	lab(29.00, 42.34, 27.63)
CIE-LCH	lch(29.00, 50.56, 33.13°)
OKLab	oklab(40.43% 0.1221 0.0613)
OKLCH	oklch(40.43% 0.137 26.7)
XYZ	xyz(10.0351, 5.8392, 1.6971)
Luminance	0.0584 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831E1C #1C8183

analogous

#831C4D #831E1C #83511C

triadic

#831E1C #1C831E #1E1C83

tetradic

#831E1C #4D831C #1C8183 #511C83

square

#831E1C #4D831C #1C8183 #511C83

split-complementary

#831E1C #1C8351 #1C4D83

monochromatic

#1E0706 #511211 #831E1C #B52A27 #D74643

Accessibility & contrast

On white

9.69

#831E1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#831E1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831E1C

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831E1C	#FFFFFF	#000000	##FFFFFF
##831E1C	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C361B

Deuteranopia (green-blind)

#554C18

Tritanopia (blue-blind)

#91001F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831e1c;
/* rgb */ color: rgb(131, 30, 28);
/* oklch */ color: oklch(40.4% 0.137 26.7);

Tailwind

colors: {
  custom: {
    50: '#af6358',
    500: '#831e1c',
    950: '#000000',
  },
}

SCSS

$custom: #831e1c;
$custom-light: #af6358;
$custom-dark: #000000;

JSON

{
  "hex": "#831e1c",
  "rgb": {
    "r": 131,
    "g": 30,
    "b": 28
  },
  "hsl": {
    "h": 1.165,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40428,
    "c": 0.13658,
    "h": 26.7
  },
  "luminance": 0.05838
}

Semantic roles & 50–950 ramp

primary

#831E1C

secondary

#45B4B6

accent

#E5E840

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #831E1C

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

Preview Lab → · Contrast checker → · Palette generator →