#8B1818#8B1818

#8B1818 is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.4% C 0.150 H 26.8°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#8B1818
RGB	rgb(139, 24, 24)
HSL	hsl(0, 71%, 32%)
HSV	hsv(0, 83%, 55%)
CMYK	cmyk(0%, 82.7%, 82.7%, 45.5%)
CIE-LAB	lab(29.94, 46.69, 31.51)
CIE-LCH	lch(29.94, 56.33, 34.01°)
OKLab	oklab(41.4% 0.1339 0.0678)
OKLCH	oklch(41.4% 0.15 26.8)
XYZ	xyz(11.1403, 6.2100, 1.4761)
Luminance	0.0621 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B1818 #188B8B

analogous

#8B1852 #8B1818 #8B5218

triadic

#8B1818 #188B18 #18188B

tetradic

#8B1818 #528B18 #188B8B #52188B

square

#8B1818 #528B18 #188B8B #52188B

split-complementary

#8B1818 #188B52 #18528B

monochromatic

#230606 #570F0F #8B1818 #BF2121 #DE3F3F

Accessibility & contrast

On white

9.37

#8B1818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#8B1818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B1818

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B1818	#FFFFFF	#000000	##FFFFFF
##8B1818	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3716

Deuteranopia (green-blind)

#594F12

Tritanopia (blue-blind)

#9A001A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #8b1818;
/* rgb */ color: rgb(139, 24, 24);
/* oklch */ color: oklch(41.4% 0.150 26.8);

Tailwind

colors: {
  custom: {
    50: '#b66256',
    500: '#8b1818',
    950: '#000000',
  },
}

SCSS

$custom: #8b1818;
$custom-light: #b66256;
$custom-dark: #000000;

JSON

{
  "hex": "#8b1818",
  "rgb": {
    "r": 139,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 0,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41405,
    "c": 0.15005,
    "h": 26.8
  },
  "luminance": 0.06208
}

Semantic roles & 50–950 ramp

primary

#8B1818

secondary

#40BEBE

accent

#EDED3A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #8B1818

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

Preview Lab → · Contrast checker → · Palette generator →