#831C33#831C33

#831C33 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.7% C 0.137 H 13.4°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#831C33
RGB	rgb(131, 28, 51)
HSL	hsl(347, 65%, 31%)
HSV	hsv(347, 79%, 51%)
CMYK	cmyk(0%, 78.6%, 61.1%, 48.6%)
CIE-LAB	lab(29.15, 44.34, 12.93)
CIE-LCH	lch(29.15, 46.19, 16.26°)
OKLab	oklab(40.67% 0.1335 0.0319)
OKLCH	oklch(40.67% 0.137 13.4)
XYZ	xyz(10.3739, 5.8963, 3.7232)
Luminance	0.0590 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831C33 #1C836C

analogous

#831C66 #831C33 #83381C

triadic

#831C33 #33831C #1C3383

tetradic

#831C33 #66831C #1C836C #381C83

square

#831C33 #66831C #1C836C #381C83

split-complementary

#831C33 #1C8338 #1C6683

monochromatic

#1E060C #51111F #831C33 #B52747 #D74364

Accessibility & contrast

On white

9.64

#831C33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#831C33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831C33

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831C33	#FFFFFF	#000000	##FFFFFF
##831C33	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383733

Deuteranopia (green-blind)

#534C30

Tritanopia (blue-blind)

#900026

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831c33;
/* rgb */ color: rgb(131, 28, 51);
/* oklch */ color: oklch(40.7% 0.137 13.4);

Tailwind

colors: {
  custom: {
    50: '#ad626a',
    500: '#831c33',
    950: '#000000',
  },
}

SCSS

$custom: #831c33;
$custom-light: #ad626a;
$custom-dark: #000000;

JSON

{
  "hex": "#831c33",
  "rgb": {
    "r": 131,
    "g": 28,
    "b": 51
  },
  "hsl": {
    "h": 346.602,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40665,
    "c": 0.13728,
    "h": 13.4
  },
  "luminance": 0.05895
}

Semantic roles & 50–950 ramp

primary

#831C33

secondary

#45B69D

accent

#E8C240

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110606

muted

#807A7A

Preview Lab

Preview with #831C33

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

Preview Lab → · Contrast checker → · Palette generator →