#8C181A#8C181A

#8C181A is a dark, vivid red. Relative luminance 0.063; OKLCH L 41.6% C 0.151 H 26.2°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#8C181A
RGB	rgb(140, 24, 26)
HSL	hsl(359, 71%, 32%)
HSV	hsv(359, 83%, 55%)
CMYK	cmyk(0%, 82.9%, 81.4%, 45.1%)
CIE-LAB	lab(30.17, 47.07, 30.64)
CIE-LCH	lch(30.17, 56.16, 33.06°)
OKLab	oklab(41.62% 0.1354 0.0665)
OKLCH	oklch(41.62% 0.151 26.2)
XYZ	xyz(11.3297, 6.3051, 1.5976)
Luminance	0.0630 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8C181A #188C8A

analogous

#8C1854 #8C181A #8C5018

triadic

#8C181A #1A8C18 #181A8C

tetradic

#8C181A #548C18 #188C8A #50188C

square

#8C181A #548C18 #188C8A #50188C

split-complementary

#8C181A #188C50 #18548C

monochromatic

#240607 #580F10 #8C181A #C02124 #DE4043

Accessibility & contrast

On white

9.29

#8C181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#8C181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8C181A

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8C181A	#FFFFFF	#000000	##FFFFFF
##8C181A	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3718

Deuteranopia (green-blind)

#5A5015

Tritanopia (blue-blind)

#9B001B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #8c181a;
/* rgb */ color: rgb(140, 24, 26);
/* oklch */ color: oklch(41.6% 0.151 26.2);

Tailwind

colors: {
  custom: {
    50: '#b66257',
    500: '#8c181a',
    950: '#000000',
  },
}

SCSS

$custom: #8c181a;
$custom-light: #b66257;
$custom-dark: #000000;

JSON

{
  "hex": "#8c181a",
  "rgb": {
    "r": 140,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 358.966,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41623,
    "c": 0.15081,
    "h": 26.2
  },
  "luminance": 0.06303
}

Semantic roles & 50–950 ramp

primary

#8C181A

secondary

#41BFBD

accent

#EDEA3A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #8C181A

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

Preview Lab → · Contrast checker → · Palette generator →