#851921#851921

#851921 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.142 H 23.0°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#851921
RGB	rgb(133, 25, 33)
HSL	hsl(356, 68%, 31%)
HSV	hsv(356, 81%, 52%)
CMYK	cmyk(0%, 81.2%, 75.2%, 47.8%)
CIE-LAB	lab(28.88, 44.88, 24.49)
CIE-LCH	lch(28.88, 51.13, 28.62°)
OKLab	oklab(40.44% 0.131 0.0556)
OKLCH	oklch(40.44% 0.142 23)
XYZ	xyz(10.2962, 5.7932, 2.0146)
Luminance	0.0579 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851921 #19857D

analogous

#851957 #851921 #854719

triadic

#851921 #218519 #192185

tetradic

#851921 #578519 #19857D #471985

square

#851921 #578519 #19857D #471985

split-complementary

#851921 #198547 #195785

monochromatic

#1E0607 #510F14 #851921 #B9232E #DB3E49

Accessibility & contrast

On white

9.73

#851921 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#851921 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851921

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851921	#FFFFFF	#000000	##FFFFFF
##851921	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	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: #851921;
/* rgb */ color: rgb(133, 25, 33);
/* oklch */ color: oklch(40.4% 0.142 23.0);

Tailwind

colors: {
  custom: {
    50: '#b0615c',
    500: '#851921',
    950: '#000000',
  },
}

SCSS

$custom: #851921;
$custom-light: #b0615c;
$custom-dark: #000000;

JSON

{
  "hex": "#851921",
  "rgb": {
    "r": 133,
    "g": 25,
    "b": 33
  },
  "hsl": {
    "h": 355.556,
    "s": 68.354,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40436,
    "c": 0.1423,
    "h": 23
  },
  "luminance": 0.05792
}

Semantic roles & 50–950 ramp

primary

#851921

secondary

#41B9B0

accent

#EBDE3D

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #851921

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

Preview Lab → · Contrast checker → · Palette generator →