#851821#851821

#851821 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.143 H 22.7°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#851821
RGB	rgb(133, 24, 33)
HSL	hsl(355, 69%, 31%)
HSV	hsv(355, 82%, 52%)
CMYK	cmyk(0%, 82%, 75.2%, 47.8%)
CIE-LAB	lab(28.78, 45.19, 24.36)
CIE-LCH	lch(28.78, 51.34, 28.33°)
OKLab	oklab(40.36% 0.132 0.0553)
OKLCH	oklch(40.36% 0.143 22.7)
XYZ	xyz(10.2752, 5.7512, 2.0076)
Luminance	0.0575 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851821 #18857C

analogous

#851857 #851821 #854518

triadic

#851821 #218518 #182185

tetradic

#851821 #578518 #18857C #451885

square

#851821 #578518 #18857C #451885

split-complementary

#851821 #188545 #185785

monochromatic

#1D0507 #510F14 #851821 #B9212E #DC3C49

Accessibility & contrast

On white

9.77

#851821 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#851821 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851821

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851821	#FFFFFF	#000000	##FFFFFF
##851821	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3520

Deuteranopia (green-blind)

#554C1D

Tritanopia (blue-blind)

#93001D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #851821;
/* rgb */ color: rgb(133, 24, 33);
/* oklch */ color: oklch(40.4% 0.143 22.7);

Tailwind

colors: {
  custom: {
    50: '#b0615c',
    500: '#851821',
    950: '#000000',
  },
}

SCSS

$custom: #851821;
$custom-light: #b0615c;
$custom-dark: #000000;

JSON

{
  "hex": "#851821",
  "rgb": {
    "r": 133,
    "g": 24,
    "b": 33
  },
  "hsl": {
    "h": 355.046,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40355,
    "c": 0.14309,
    "h": 22.7
  },
  "luminance": 0.0575
}

Semantic roles & 50–950 ramp

primary

#851821

secondary

#40B9AF

accent

#ECDE3C

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #851821

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

Preview Lab → · Contrast checker → · Palette generator →