#851820#851820

#851820 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.3% C 0.143 H 23.2°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#851820
RGB	rgb(133, 24, 32)
HSL	hsl(356, 69%, 31%)
HSV	hsv(356, 82%, 52%)
CMYK	cmyk(0%, 82%, 75.9%, 47.8%)
CIE-LAB	lab(28.76, 45.14, 24.98)
CIE-LCH	lch(28.76, 51.60, 28.96°)
OKLab	oklab(40.34% 0.1316 0.0564)
OKLCH	oklch(40.34% 0.143 23.2)
XYZ	xyz(10.2614, 5.7457, 1.9350)
Luminance	0.0574 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851820 #18857D

analogous

#851856 #851820 #854618

triadic

#851820 #208518 #182085

tetradic

#851820 #568518 #18857D #461885

square

#851820 #568518 #18857D #461885

split-complementary

#851820 #188546 #185685

monochromatic

#1D0507 #510F14 #851820 #B9212C #DC3C47

Accessibility & contrast

On white

9.77

#851820 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#851820 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851820

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851820	#FFFFFF	#000000	##FFFFFF
##851820	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)

#3A351F

Deuteranopia (green-blind)

#554C1C

Tritanopia (blue-blind)

#93001C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #851820;
/* rgb */ color: rgb(133, 24, 32);
/* oklch */ color: oklch(40.3% 0.143 23.2);

Tailwind

colors: {
  custom: {
    50: '#b0615b',
    500: '#851820',
    950: '#000000',
  },
}

SCSS

$custom: #851820;
$custom-light: #b0615b;
$custom-dark: #000000;

JSON

{
  "hex": "#851820",
  "rgb": {
    "r": 133,
    "g": 24,
    "b": 32
  },
  "hsl": {
    "h": 355.596,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.4034,
    "c": 0.14318,
    "h": 23.2
  },
  "luminance": 0.05744
}

Semantic roles & 50–950 ramp

primary

#851820

secondary

#40B9B0

accent

#ECDF3C

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #851820

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

Preview Lab → · Contrast checker → · Palette generator →