#831A23#831A23

#831A23 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.2% C 0.139 H 22.1°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#831A23
RGB	rgb(131, 26, 35)
HSL	hsl(355, 67%, 31%)
HSV	hsv(355, 80%, 51%)
CMYK	cmyk(0%, 80.2%, 73.3%, 48.6%)
CIE-LAB	lab(28.61, 44.03, 22.78)
CIE-LCH	lch(28.61, 49.57, 27.35°)
OKLab	oklab(40.17% 0.129 0.0524)
OKLCH	oklch(40.17% 0.139 22.1)
XYZ	xyz(10.0340, 5.6870, 2.1591)
Luminance	0.0568 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831A23 #1A837A

analogous

#831A57 #831A23 #83451A

triadic

#831A23 #23831A #1A2383

tetradic

#831A23 #57831A #1A837A #451A83

square

#831A23 #57831A #1A837A #451A83

split-complementary

#831A23 #1A8345 #1A5783

monochromatic

#1D0608 #501015 #831A23 #B62431 #D93F4C

Accessibility & contrast

On white

9.83

#831A23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#831A23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831A23

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831A23	#FFFFFF	#000000	##FFFFFF
##831A23	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3522

Deuteranopia (green-blind)

#544C1F

Tritanopia (blue-blind)

#91001E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #831a23;
/* rgb */ color: rgb(131, 26, 35);
/* oklch */ color: oklch(40.2% 0.139 22.1);

Tailwind

colors: {
  custom: {
    50: '#af615d',
    500: '#831a23',
    950: '#000000',
  },
}

SCSS

$custom: #831a23;
$custom-light: #af615d;
$custom-dark: #000000;

JSON

{
  "hex": "#831a23",
  "rgb": {
    "r": 131,
    "g": 26,
    "b": 35
  },
  "hsl": {
    "h": 354.857,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40166,
    "c": 0.13926,
    "h": 22.1
  },
  "luminance": 0.05685
}

Semantic roles & 50–950 ramp

primary

#831A23

secondary

#42B7AD

accent

#EADB3E

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #831A23

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

Preview Lab → · Contrast checker → · Palette generator →