#831C29#831C29

#831C29 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.5% C 0.137 H 19.4°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#831C29
RGB	rgb(131, 28, 41)
HSL	hsl(352, 65%, 31%)
HSV	hsv(352, 79%, 51%)
CMYK	cmyk(0%, 78.6%, 68.7%, 48.6%)
CIE-LAB	lab(28.95, 43.69, 19.29)
CIE-LCH	lch(28.95, 47.76, 23.82°)
OKLab	oklab(40.45% 0.1293 0.0456)
OKLCH	oklch(40.45% 0.137 19.4)
XYZ	xyz(10.1767, 5.8174, 2.6844)
Luminance	0.0582 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831C29 #1C8376

analogous

#831C5C #831C29 #83421C

triadic

#831C29 #29831C #1C2983

tetradic

#831C29 #5C831C #1C8376 #421C83

square

#831C29 #5C831C #1C8376 #421C83

split-complementary

#831C29 #1C8342 #1C5C83

monochromatic

#1E0609 #511119 #831C29 #B52739 #D74355

Accessibility & contrast

On white

9.71

#831C29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#831C29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831C29

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831C29	#FFFFFF	#000000	##FFFFFF
##831C29	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3629

Deuteranopia (green-blind)

#544C26

Tritanopia (blue-blind)

#900022

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831c29;
/* rgb */ color: rgb(131, 28, 41);
/* oklch */ color: oklch(40.5% 0.137 19.4);

Tailwind

colors: {
  custom: {
    50: '#ae6262',
    500: '#831c29',
    950: '#000000',
  },
}

SCSS

$custom: #831c29;
$custom-light: #ae6262;
$custom-dark: #000000;

JSON

{
  "hex": "#831c29",
  "rgb": {
    "r": 131,
    "g": 28,
    "b": 41
  },
  "hsl": {
    "h": 352.427,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.4045,
    "c": 0.13713,
    "h": 19.4
  },
  "luminance": 0.05816
}

Semantic roles & 50–950 ramp

primary

#831C29

secondary

#45B6A8

accent

#E8D340

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #831C29

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

Preview Lab → · Contrast checker → · Palette generator →