#831931#831931

#831931 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.4% C 0.140 H 13.9°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#831931
RGB	rgb(131, 25, 49)
HSL	hsl(346, 68%, 31%)
HSV	hsv(346, 81%, 51%)
CMYK	cmyk(0%, 80.9%, 62.6%, 48.6%)
CIE-LAB	lab(28.76, 45.18, 13.74)
CIE-LCH	lch(28.76, 47.22, 16.91°)
OKLab	oklab(40.36% 0.1358 0.0337)
OKLCH	oklch(40.36% 0.14 13.9)
XYZ	xyz(10.2631, 5.7438, 3.4734)
Luminance	0.0574 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831931 #19836B

analogous

#831966 #831931 #833619

triadic

#831931 #318319 #193183

tetradic

#831931 #668319 #19836B #361983

square

#831931 #668319 #19836B #361983

split-complementary

#831931 #198336 #196683

monochromatic

#1C050B #500F1E #831931 #B62344 #DA3D60

Accessibility & contrast

On white

9.77

#831931 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#831931 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831931

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831931	#FFFFFF	#000000	##FFFFFF
##831931	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373631

Deuteranopia (green-blind)

#524C2E

Tritanopia (blue-blind)

#900023

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831931;
/* rgb */ color: rgb(131, 25, 49);
/* oklch */ color: oklch(40.4% 0.140 13.9);

Tailwind

colors: {
  custom: {
    50: '#ad6168',
    500: '#831931',
    950: '#000000',
  },
}

SCSS

$custom: #831931;
$custom-light: #ad6168;
$custom-dark: #000000;

JSON

{
  "hex": "#831931",
  "rgb": {
    "r": 131,
    "g": 25,
    "b": 49
  },
  "hsl": {
    "h": 346.415,
    "s": 67.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.4036,
    "c": 0.13995,
    "h": 13.9
  },
  "luminance": 0.05742
}

Semantic roles & 50–950 ramp

primary

#831931

secondary

#41B79C

accent

#EBC33D

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110506

muted

#807A7A

Preview Lab

Preview with #831931

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

Preview Lab → · Contrast checker → · Palette generator →