#8B181C#8B181C

#8B181C is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.5% C 0.150 H 25.3°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#8B181C
RGB	rgb(139, 24, 28)
HSL	hsl(358, 71%, 32%)
HSV	hsv(358, 83%, 55%)
CMYK	cmyk(0%, 82.7%, 79.9%, 45.5%)
CIE-LAB	lab(29.98, 46.83, 29.18)
CIE-LCH	lch(29.98, 55.18, 31.92°)
OKLab	oklab(41.45% 0.1352 0.064)
OKLCH	oklch(41.45% 0.15 25.3)
XYZ	xyz(11.1851, 6.2279, 1.7116)
Luminance	0.0623 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B181C #188B87

analogous

#8B1856 #8B181C #8B4E18

triadic

#8B181C #1C8B18 #181C8B

tetradic

#8B181C #568B18 #188B87 #4E188B

square

#8B181C #568B18 #188B87 #4E188B

split-complementary

#8B181C #188B4E #18568B

monochromatic

#230607 #570F11 #8B181C #BF2127 #DE3F45

Accessibility & contrast

On white

9.35

#8B181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#8B181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B181C

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B181C	#FFFFFF	#000000	##FFFFFF
##8B181C	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D371B

Deuteranopia (green-blind)

#594F17

Tritanopia (blue-blind)

#9A001B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #8b181c;
/* rgb */ color: rgb(139, 24, 28);
/* oklch */ color: oklch(41.5% 0.150 25.3);

Tailwind

colors: {
  custom: {
    50: '#b56258',
    500: '#8b181c',
    950: '#000000',
  },
}

SCSS

$custom: #8b181c;
$custom-light: #b56258;
$custom-dark: #000000;

JSON

{
  "hex": "#8b181c",
  "rgb": {
    "r": 139,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 357.913,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41452,
    "c": 0.14959,
    "h": 25.3
  },
  "luminance": 0.06226
}

Semantic roles & 50–950 ramp

primary

#8B181C

secondary

#40BEBA

accent

#EDE73A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #8B181C

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

Preview Lab → · Contrast checker → · Palette generator →