#851823#851823

#851823 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.143 H 21.8°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#851823
RGB	rgb(133, 24, 35)
HSL	hsl(354, 69%, 31%)
HSV	hsv(354, 82%, 52%)
CMYK	cmyk(0%, 82%, 73.7%, 47.8%)
CIE-LAB	lab(28.81, 45.28, 23.11)
CIE-LCH	lch(28.81, 50.84, 27.04°)
OKLab	oklab(40.39% 0.1328 0.053)
OKLCH	oklch(40.39% 0.143 21.8)
XYZ	xyz(10.3041, 5.7628, 2.1596)
Luminance	0.0576 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851823 #18857A

analogous

#851859 #851823 #854318

triadic

#851823 #238518 #182385

tetradic

#851823 #598518 #18857A #431885

square

#851823 #598518 #18857A #431885

split-complementary

#851823 #188543 #185985

monochromatic

#1D0508 #510F15 #851823 #B92131 #DC3C4C

Accessibility & contrast

On white

9.76

#851823 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#851823 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851823

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851823	#FFFFFF	#000000	##FFFFFF
##851823	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3522

Deuteranopia (green-blind)

#554C1F

Tritanopia (blue-blind)

#93001D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #851823;
/* rgb */ color: rgb(133, 24, 35);
/* oklch */ color: oklch(40.4% 0.143 21.8);

Tailwind

colors: {
  custom: {
    50: '#b0615d',
    500: '#851823',
    950: '#000000',
  },
}

SCSS

$custom: #851823;
$custom-light: #b0615d;
$custom-dark: #000000;

JSON

{
  "hex": "#851823",
  "rgb": {
    "r": 133,
    "g": 24,
    "b": 35
  },
  "hsl": {
    "h": 353.945,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40387,
    "c": 0.14294,
    "h": 21.8
  },
  "luminance": 0.05761
}

Semantic roles & 50–950 ramp

primary

#851823

secondary

#40B9AD

accent

#ECDA3C

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #851823

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

Preview Lab → · Contrast checker → · Palette generator →