#8C181E#8C181E

#8C181E is a dark, vivid red. Relative luminance 0.063; OKLCH L 41.7% C 0.150 H 24.6°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#8C181E
RGB	rgb(140, 24, 30)
HSL	hsl(357, 71%, 32%)
HSV	hsv(357, 83%, 55%)
CMYK	cmyk(0%, 82.9%, 78.6%, 45.1%)
CIE-LAB	lab(30.22, 47.21, 28.27)
CIE-LCH	lch(30.22, 55.03, 30.91°)
OKLab	oklab(41.67% 0.1367 0.0626)
OKLCH	oklch(41.67% 0.15 24.6)
XYZ	xyz(11.3776, 6.3243, 1.8497)
Luminance	0.0632 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8C181E #188C86

analogous

#8C1858 #8C181E #8C4C18

triadic

#8C181E #1E8C18 #181E8C

tetradic

#8C181E #588C18 #188C86 #4C188C

square

#8C181E #588C18 #188C86 #4C188C

split-complementary

#8C181E #188C4C #18588C

monochromatic

#240608 #580F13 #8C181E #C02129 #DE4048

Accessibility & contrast

On white

9.27

#8C181E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#8C181E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8C181E

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8C181E	#FFFFFF	#000000	##FFFFFF
##8C181E	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D371D

Deuteranopia (green-blind)

#5A5019

Tritanopia (blue-blind)

#9B001C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #8c181e;
/* rgb */ color: rgb(140, 24, 30);
/* oklch */ color: oklch(41.7% 0.150 24.6);

Tailwind

colors: {
  custom: {
    50: '#b6625a',
    500: '#8c181e',
    950: '#000000',
  },
}

SCSS

$custom: #8c181e;
$custom-light: #b6625a;
$custom-dark: #000000;

JSON

{
  "hex": "#8c181e",
  "rgb": {
    "r": 140,
    "g": 24,
    "b": 30
  },
  "hsl": {
    "h": 356.897,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41672,
    "c": 0.15037,
    "h": 24.6
  },
  "luminance": 0.06322
}

Semantic roles & 50–950 ramp

primary

#8C181E

secondary

#41BFB8

accent

#EDE43A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #8C181E

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

Preview Lab → · Contrast checker → · Palette generator →