#831F23#831F23

#831F23 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.6% C 0.135 H 23.6°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#831F23
RGB	rgb(131, 31, 35)
HSL	hsl(358, 62%, 32%)
HSV	hsv(358, 76%, 51%)
CMYK	cmyk(0%, 76.3%, 73.3%, 48.6%)
CIE-LAB	lab(29.23, 42.29, 23.52)
CIE-LCH	lch(29.23, 48.39, 29.08°)
OKLab	oklab(40.63% 0.1235 0.054)
OKLCH	oklch(40.63% 0.135 23.6)
XYZ	xyz(10.1546, 5.9282, 2.1993)
Luminance	0.0593 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831F23 #1F837F

analogous

#831F55 #831F23 #834D1F

triadic

#831F23 #23831F #1F2383

tetradic

#831F23 #55831F #1F837F #4D1F83

square

#831F23 #55831F #1F837F #4D1F83

split-complementary

#831F23 #1F834D #1F5583

monochromatic

#200809 #521316 #831F23 #B42B30 #D4494E

Accessibility & contrast

On white

9.61

#831F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#831F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831F23

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831F23	#FFFFFF	#000000	##FFFFFF
##831F23	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3722

Deuteranopia (green-blind)

#554D20

Tritanopia (blue-blind)

#900022

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831f23;
/* rgb */ color: rgb(131, 31, 35);
/* oklch */ color: oklch(40.6% 0.135 23.6);

Tailwind

colors: {
  custom: {
    50: '#ae635e',
    500: '#831f23',
    950: '#000000',
  },
}

SCSS

$custom: #831f23;
$custom-light: #ae635e;
$custom-dark: #000000;

JSON

{
  "hex": "#831f23",
  "rgb": {
    "r": 131,
    "g": 31,
    "b": 35
  },
  "hsl": {
    "h": 357.6,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40628,
    "c": 0.13479,
    "h": 23.6
  },
  "luminance": 0.05927
}

Semantic roles & 50–950 ramp

primary

#831F23

secondary

#48B6B1

accent

#E5DE43

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #831F23

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

Preview Lab → · Contrast checker → · Palette generator →