#831F2A#831F2A

#831F2A is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.8% C 0.134 H 19.7°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#831F2A
RGB	rgb(131, 31, 42)
HSL	hsl(353, 62%, 32%)
HSV	hsv(353, 76%, 51%)
CMYK	cmyk(0%, 76.3%, 67.9%, 48.6%)
CIE-LAB	lab(29.35, 42.68, 19.13)
CIE-LCH	lch(29.35, 46.77, 24.15°)
OKLab	oklab(40.75% 0.1263 0.0454)
OKLCH	oklch(40.75% 0.134 19.7)
XYZ	xyz(10.2691, 5.9740, 2.8024)
Luminance	0.0597 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831F2A #1F8378

analogous

#831F5C #831F2A #83461F

triadic

#831F2A #2A831F #1F2A83

tetradic

#831F2A #5C831F #1F8378 #461F83

square

#831F2A #5C831F #1F8378 #461F83

split-complementary

#831F2A #1F8346 #1F5C83

monochromatic

#20080A #52131A #831F2A #B42B3A #D44958

Accessibility & contrast

On white

9.57

#831F2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#831F2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831F2A

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831F2A	#FFFFFF	#000000	##FFFFFF
##831F2A	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B382A

Deuteranopia (green-blind)

#554D27

Tritanopia (blue-blind)

#900024

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831f2a;
/* rgb */ color: rgb(131, 31, 42);
/* oklch */ color: oklch(40.8% 0.134 19.7);

Tailwind

colors: {
  custom: {
    50: '#ae6363',
    500: '#831f2a',
    950: '#000000',
  },
}

SCSS

$custom: #831f2a;
$custom-light: #ae6363;
$custom-dark: #000000;

JSON

{
  "hex": "#831f2a",
  "rgb": {
    "r": 131,
    "g": 31,
    "b": 42
  },
  "hsl": {
    "h": 353.4,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40752,
    "c": 0.13424,
    "h": 19.7
  },
  "luminance": 0.05972
}

Semantic roles & 50–950 ramp

primary

#831F2A

secondary

#48B6AA

accent

#E5D343

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #831F2A

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

Preview Lab → · Contrast checker → · Palette generator →