#83172A#83172A

#83172A is a dark, vivid red. Relative luminance 0.056; OKLCH L 40.0% C 0.141 H 17.5°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#83172A
RGB	rgb(131, 23, 42)
HSL	hsl(349, 70%, 30%)
HSV	hsv(349, 82%, 51%)
CMYK	cmyk(0%, 82.4%, 67.9%, 48.6%)
CIE-LAB	lab(28.40, 45.34, 17.93)
CIE-LCH	lch(28.40, 48.76, 21.58°)
OKLab	oklab(40.05% 0.1349 0.0426)
OKLCH	oklch(40.05% 0.141 17.5)
XYZ	xyz(10.0855, 5.6068, 2.7412)
Luminance	0.0561 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83172A #178370

analogous

#831760 #83172A #833A17

triadic

#83172A #2A8317 #172A83

tetradic

#83172A #608317 #178370 #3A1783

square

#83172A #608317 #178370 #3A1783

split-complementary

#83172A #17833A #176083

monochromatic

#1B0509 #4F0E19 #83172A #B7203B #DC3855

Accessibility & contrast

On white

9.90

#83172A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#83172A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83172A

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83172A	#FFFFFF	#000000	##FFFFFF
##83172A	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37352A

Deuteranopia (green-blind)

#534B27

Tritanopia (blue-blind)

#90001F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #83172a;
/* rgb */ color: rgb(131, 23, 42);
/* oklch */ color: oklch(40.0% 0.141 17.5);

Tailwind

colors: {
  custom: {
    50: '#ae6063',
    500: '#83172a',
    950: '#000000',
  },
}

SCSS

$custom: #83172a;
$custom-light: #ae6063;
$custom-dark: #000000;

JSON

{
  "hex": "#83172a",
  "rgb": {
    "r": 131,
    "g": 23,
    "b": 42
  },
  "hsl": {
    "h": 349.444,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.40049,
    "c": 0.14146,
    "h": 17.5
  },
  "luminance": 0.05605
}

Semantic roles & 50–950 ramp

primary

#83172A

secondary

#3FB7A2

accent

#EDCE3B

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120505

muted

#817A79

Preview Lab

Preview with #83172A

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

Preview Lab → · Contrast checker → · Palette generator →