#831A29#831A29

#831A29 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.3% C 0.139 H 18.9°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#831A29
RGB	rgb(131, 26, 41)
HSL	hsl(351, 67%, 31%)
HSV	hsv(351, 80%, 51%)
CMYK	cmyk(0%, 80.2%, 68.7%, 48.6%)
CIE-LAB	lab(28.71, 44.35, 18.99)
CIE-LCH	lch(28.71, 48.25, 23.18°)
OKLab	oklab(40.27% 0.1315 0.0449)
OKLCH	oklch(40.27% 0.139 18.9)
XYZ	xyz(10.1308, 5.7257, 2.6691)
Luminance	0.0572 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831A29 #1A8374

analogous

#831A5D #831A29 #83401A

triadic

#831A29 #29831A #1A2983

tetradic

#831A29 #5D831A #1A8374 #401A83

square

#831A29 #5D831A #1A8374 #401A83

split-complementary

#831A29 #1A8340 #1A5D83

monochromatic

#1D0609 #501019 #831A29 #B62439 #D93F55

Accessibility & contrast

On white

9.79

#831A29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#831A29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831A29

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831A29	#FFFFFF	#000000	##FFFFFF
##831A29	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393629

Deuteranopia (green-blind)

#534C26

Tritanopia (blue-blind)

#900021

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831a29;
/* rgb */ color: rgb(131, 26, 41);
/* oklch */ color: oklch(40.3% 0.139 18.9);

Tailwind

colors: {
  custom: {
    50: '#ae6162',
    500: '#831a29',
    950: '#000000',
  },
}

SCSS

$custom: #831a29;
$custom-light: #ae6162;
$custom-dark: #000000;

JSON

{
  "hex": "#831a29",
  "rgb": {
    "r": 131,
    "g": 26,
    "b": 41
  },
  "hsl": {
    "h": 351.429,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40273,
    "c": 0.13893,
    "h": 18.9
  },
  "luminance": 0.05724
}

Semantic roles & 50–950 ramp

primary

#831A29

secondary

#42B7A6

accent

#EAD13E

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120505

muted

#817A79

Preview Lab

Preview with #831A29

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

Preview Lab → · Contrast checker → · Palette generator →