#83172B#83172B

#83172B is a dark, vivid red. Relative luminance 0.056; OKLCH L 40.1% C 0.141 H 17.0°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#83172B
RGB	rgb(131, 23, 43)
HSL	hsl(349, 70%, 30%)
HSV	hsv(349, 82%, 51%)
CMYK	cmyk(0%, 82.4%, 67.2%, 48.6%)
CIE-LAB	lab(28.42, 45.40, 17.29)
CIE-LCH	lch(28.42, 48.58, 20.85°)
OKLab	oklab(40.07% 0.1353 0.0413)
OKLCH	oklch(40.07% 0.141 17)
XYZ	xyz(10.1036, 5.6141, 2.8366)
Luminance	0.0561 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83172B #17836F

analogous

#831761 #83172B #833917

triadic

#83172B #2B8317 #172B83

tetradic

#83172B #618317 #17836F #391783

square

#83172B #618317 #17836F #391783

split-complementary

#83172B #178339 #176183

monochromatic

#1B0509 #4F0E1A #83172B #B7203C #DC3857

Accessibility & contrast

On white

9.89

#83172B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#83172B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83172B

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83172B	#FFFFFF	#000000	##FFFFFF
##83172B	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37352B

Deuteranopia (green-blind)

#524B28

Tritanopia (blue-blind)

#900020

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #83172b;
/* rgb */ color: rgb(131, 23, 43);
/* oklch */ color: oklch(40.1% 0.141 17.0);

Tailwind

colors: {
  custom: {
    50: '#ae6064',
    500: '#83172b',
    950: '#000000',
  },
}

SCSS

$custom: #83172b;
$custom-light: #ae6064;
$custom-dark: #000000;

JSON

{
  "hex": "#83172b",
  "rgb": {
    "r": 131,
    "g": 23,
    "b": 43
  },
  "hsl": {
    "h": 348.889,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.40069,
    "c": 0.14146,
    "h": 17
  },
  "luminance": 0.05613
}

Semantic roles & 50–950 ramp

primary

#83172B

secondary

#3FB7A1

accent

#EDCC3B

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120505

muted

#817A79

Preview Lab

Preview with #83172B

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

Preview Lab → · Contrast checker → · Palette generator →