#8C181D#8C181D

#8C181D is a dark, vivid red. Relative luminance 0.063; OKLCH L 41.7% C 0.150 H 25.0°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#8C181D
RGB	rgb(140, 24, 29)
HSL	hsl(357, 71%, 32%)
HSV	hsv(357, 83%, 55%)
CMYK	cmyk(0%, 82.9%, 79.3%, 45.1%)
CIE-LAB	lab(30.20, 47.17, 28.87)
CIE-LCH	lch(30.20, 55.31, 31.47°)
OKLab	oklab(41.66% 0.1364 0.0636)
OKLCH	oklch(41.66% 0.15 25)
XYZ	xyz(11.3650, 6.3193, 1.7835)
Luminance	0.0632 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8C181D #188C87

analogous

#8C1857 #8C181D #8C4D18

triadic

#8C181D #1D8C18 #181D8C

tetradic

#8C181D #578C18 #188C87 #4D188C

square

#8C181D #578C18 #188C87 #4D188C

split-complementary

#8C181D #188C4D #18578C

monochromatic

#240607 #580F12 #8C181D #C02128 #DE4047

Accessibility & contrast

On white

9.28

#8C181D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#8C181D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8C181D

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8C181D	#FFFFFF	#000000	##FFFFFF
##8C181D	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D371C

Deuteranopia (green-blind)

#5A5018

Tritanopia (blue-blind)

#9B001C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #8c181d;
/* rgb */ color: rgb(140, 24, 29);
/* oklch */ color: oklch(41.7% 0.150 25.0);

Tailwind

colors: {
  custom: {
    50: '#b66259',
    500: '#8c181d',
    950: '#000000',
  },
}

SCSS

$custom: #8c181d;
$custom-light: #b66259;
$custom-dark: #000000;

JSON

{
  "hex": "#8c181d",
  "rgb": {
    "r": 140,
    "g": 24,
    "b": 29
  },
  "hsl": {
    "h": 357.414,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41659,
    "c": 0.15047,
    "h": 25
  },
  "luminance": 0.06317
}

Semantic roles & 50–950 ramp

primary

#8C181D

secondary

#41BFB9

accent

#EDE63A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #8C181D

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

Preview Lab → · Contrast checker → · Palette generator →