#83172C#83172C

#83172C is a dark, vivid red. Relative luminance 0.056; OKLCH L 40.1% C 0.141 H 16.4°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#83172C
RGB	rgb(131, 23, 44)
HSL	hsl(348, 70%, 30%)
HSV	hsv(348, 82%, 51%)
CMYK	cmyk(0%, 82.4%, 66.4%, 48.6%)
CIE-LAB	lab(28.44, 45.46, 16.65)
CIE-LCH	lch(28.44, 48.42, 20.12°)
OKLab	oklab(40.09% 0.1357 0.04)
OKLCH	oklch(40.09% 0.141 16.4)
XYZ	xyz(10.1222, 5.6215, 2.9345)
Luminance	0.0562 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83172C #17836E

analogous

#831762 #83172C #833817

triadic

#83172C #2C8317 #172C83

tetradic

#83172C #628317 #17836E #381783

square

#83172C #628317 #17836E #381783

split-complementary

#83172C #178338 #176283

monochromatic

#1B0509 #4F0E1B #83172C #B7203D #DC3858

Accessibility & contrast

On white

9.89

#83172C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#83172C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83172C

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83172C	#FFFFFF	#000000	##FFFFFF
##83172C	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)

#37352C

Deuteranopia (green-blind)

#524B29

Tritanopia (blue-blind)

#900020

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #83172c;
/* rgb */ color: rgb(131, 23, 44);
/* oklch */ color: oklch(40.1% 0.141 16.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#83172c",
  "rgb": {
    "r": 131,
    "g": 23,
    "b": 44
  },
  "hsl": {
    "h": 348.333,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.4009,
    "c": 0.14147,
    "h": 16.4
  },
  "luminance": 0.0562
}

Semantic roles & 50–950 ramp

primary

#83172C

secondary

#3FB7A0

accent

#EDCA3B

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120505

muted

#817A7A

Preview Lab

Preview with #83172C

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

Preview Lab → · Contrast checker → · Palette generator →