#831D33#831D33

#831D33 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.8% C 0.136 H 13.7°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#831D33
RGB	rgb(131, 29, 51)
HSL	hsl(347, 64%, 31%)
HSV	hsv(347, 78%, 51%)
CMYK	cmyk(0%, 77.9%, 61.1%, 48.6%)
CIE-LAB	lab(29.27, 43.99, 13.09)
CIE-LCH	lch(29.27, 45.90, 16.57°)
OKLab	oklab(40.76% 0.1324 0.0323)
OKLCH	oklch(40.76% 0.136 13.7)
XYZ	xyz(10.3980, 5.9446, 3.7312)
Luminance	0.0594 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831D33 #1D836D

analogous

#831D66 #831D33 #833A1D

triadic

#831D33 #33831D #1D3383

tetradic

#831D33 #66831D #1D836D #3A1D83

square

#831D33 #66831D #1D836D #3A1D83

split-complementary

#831D33 #1D833A #1D6683

monochromatic

#1F070C #51121F #831D33 #B52847 #D64564

Accessibility & contrast

On white

9.60

#831D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#831D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D33

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831D33	#FFFFFF	#000000	##FFFFFF
##831D33	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393833

Deuteranopia (green-blind)

#534D30

Tritanopia (blue-blind)

#900026

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831d33;
/* rgb */ color: rgb(131, 29, 51);
/* oklch */ color: oklch(40.8% 0.136 13.7);

Tailwind

colors: {
  custom: {
    50: '#ad636a',
    500: '#831d33',
    950: '#000000',
  },
}

SCSS

$custom: #831d33;
$custom-light: #ad636a;
$custom-dark: #000000;

JSON

{
  "hex": "#831d33",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 51
  },
  "hsl": {
    "h": 347.059,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40756,
    "c": 0.13629,
    "h": 13.7
  },
  "luminance": 0.05943
}

Semantic roles & 50–950 ramp

primary

#831D33

secondary

#46B69E

accent

#E7C341

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110606

muted

#807A7A

Preview Lab

Preview with #831D33

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

Preview Lab → · Contrast checker → · Palette generator →