#851720#851720

#851720 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.3% C 0.144 H 23.0°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#851720
RGB	rgb(133, 23, 32)
HSL	hsl(355, 71%, 31%)
HSV	hsv(355, 83%, 52%)
CMYK	cmyk(0%, 82.7%, 75.9%, 47.8%)
CIE-LAB	lab(28.66, 45.44, 24.86)
CIE-LCH	lch(28.66, 51.80, 28.69°)
OKLab	oklab(40.26% 0.1325 0.0562)
OKLCH	oklch(40.26% 0.144 23)
XYZ	xyz(10.2412, 5.7053, 1.9282)
Luminance	0.0570 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851720 #17857C

analogous

#851757 #851720 #854517

triadic

#851720 #208517 #172085

tetradic

#851720 #578517 #17857C #451785

square

#851720 #578517 #17857C #451785

split-complementary

#851720 #178545 #175785

monochromatic

#1D0507 #510E13 #851720 #B9202D #DD3A47

Accessibility & contrast

On white

9.81

#851720 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#851720 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851720

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851720	#FFFFFF	#000000	##FFFFFF
##851720	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A351F

Deuteranopia (green-blind)

#554C1C

Tritanopia (blue-blind)

#93001C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #851720;
/* rgb */ color: rgb(133, 23, 32);
/* oklch */ color: oklch(40.3% 0.144 23.0);

Tailwind

colors: {
  custom: {
    50: '#b0605b',
    500: '#851720',
    950: '#000000',
  },
}

SCSS

$custom: #851720;
$custom-light: #b0605b;
$custom-dark: #000000;

JSON

{
  "hex": "#851720",
  "rgb": {
    "r": 133,
    "g": 23,
    "b": 32
  },
  "hsl": {
    "h": 355.091,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40262,
    "c": 0.14395,
    "h": 23
  },
  "luminance": 0.05704
}

Semantic roles & 50–950 ramp

primary

#851720

secondary

#3FB9AF

accent

#EDDF3B

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #851720

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

Preview Lab → · Contrast checker → · Palette generator →