#8B2121#8B2121

#8B2121 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.3% C 0.142 H 25.7°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#8B2121
RGB	rgb(139, 33, 33)
HSL	hsl(0, 62%, 34%)
HSV	hsv(0, 76%, 55%)
CMYK	cmyk(0%, 76.3%, 76.3%, 45.5%)
CIE-LAB	lab(31.09, 44.10, 27.33)
CIE-LCH	lch(31.09, 51.89, 31.79°)
OKLab	oklab(42.29% 0.1277 0.0614)
OKLCH	oklch(42.29% 0.142 25.7)
XYZ	xyz(11.4672, 6.6883, 2.1257)
Luminance	0.0669 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B2121 #218B8B

analogous

#8B2156 #8B2121 #8B5621

triadic

#8B2121 #218B21 #21218B

tetradic

#8B2121 #568B21 #218B8B #56218B

square

#8B2121 #568B21 #218B8B #56218B

split-complementary

#8B2121 #218B56 #21568B

monochromatic

#280A0A #5A1515 #8B2121 #BC2D2D #D65151

Accessibility & contrast

On white

8.99

#8B2121 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#8B2121 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B2121

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B2121	#FFFFFF	#000000	##FFFFFF
##8B2121	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413B20

Deuteranopia (green-blind)

#5B511D

Tritanopia (blue-blind)

#990022

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #8b2121;
/* rgb */ color: rgb(139, 33, 33);
/* oklch */ color: oklch(42.3% 0.142 25.7);

Tailwind

colors: {
  custom: {
    50: '#b5655c',
    500: '#8b2121',
    950: '#000000',
  },
}

SCSS

$custom: #8b2121;
$custom-light: #b5655c;
$custom-dark: #000000;

JSON

{
  "hex": "#8b2121",
  "rgb": {
    "r": 139,
    "g": 33,
    "b": 33
  },
  "hsl": {
    "h": 0,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42294,
    "c": 0.14171,
    "h": 25.7
  },
  "luminance": 0.06686
}

Semantic roles & 50–950 ramp

primary

#8B2121

secondary

#4FB9B9

accent

#E5E543

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #8B2121

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

Preview Lab → · Contrast checker → · Palette generator →