#83172D#83172D

#83172D is a dark, vivid red. Relative luminance 0.056; OKLCH L 40.1% C 0.141 H 15.8°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#83172D
RGB	rgb(131, 23, 45)
HSL	hsl(348, 70%, 30%)
HSV	hsv(348, 82%, 51%)
CMYK	cmyk(0%, 82.4%, 65.6%, 48.6%)
CIE-LAB	lab(28.46, 45.52, 16.01)
CIE-LCH	lch(28.46, 48.26, 19.38°)
OKLab	oklab(40.11% 0.1361 0.0386)
OKLCH	oklch(40.11% 0.142 15.8)
XYZ	xyz(10.1412, 5.6291, 3.0347)
Luminance	0.0563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83172D #17836D

analogous

#831763 #83172D #833717

triadic

#83172D #2D8317 #172D83

tetradic

#83172D #638317 #17836D #371783

square

#83172D #638317 #17836D #371783

split-complementary

#83172D #178337 #176383

monochromatic

#1B0509 #4F0E1B #83172D #B7203F #DC385A

Accessibility & contrast

On white

9.88

#83172D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#83172D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83172D

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83172D	#FFFFFF	#000000	##FFFFFF
##83172D	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37352D

Deuteranopia (green-blind)

#524B2A

Tritanopia (blue-blind)

#900021

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #83172d;
/* rgb */ color: rgb(131, 23, 45);
/* oklch */ color: oklch(40.1% 0.141 15.8);

Tailwind

colors: {
  custom: {
    50: '#ae6065',
    500: '#83172d',
    950: '#000000',
  },
}

SCSS

$custom: #83172d;
$custom-light: #ae6065;
$custom-dark: #000000;

JSON

{
  "hex": "#83172d",
  "rgb": {
    "r": 131,
    "g": 23,
    "b": 45
  },
  "hsl": {
    "h": 347.778,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.40111,
    "c": 0.1415,
    "h": 15.8
  },
  "luminance": 0.05628
}

Semantic roles & 50–950 ramp

primary

#83172D

secondary

#3FB79F

accent

#EDC93B

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120505

muted

#817A7A

Preview Lab

Preview with #83172D

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

Preview Lab → · Contrast checker → · Palette generator →