#551813#551813

#551813 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.8% C 0.092 H 28.3°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#551813
RGB	rgb(85, 24, 19)
HSL	hsl(5, 63%, 20%)
HSV	hsv(5, 78%, 33%)
CMYK	cmyk(0%, 71.8%, 77.6%, 66.7%)
CIE-LAB	lab(18.51, 27.91, 18.99)
CIE-LCH	lch(18.51, 33.75, 34.23°)
OKLab	oklab(30.82% 0.0806 0.0434)
OKLCH	oklch(30.82% 0.092 28.3)
XYZ	xyz(4.1909, 2.6322, 0.9033)
Luminance	0.0263 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551813 #135055

analogous

#55132F #551813 #553913

triadic

#551813 #135518 #181355

tetradic

#551813 #2F5513 #135055 #391355

square

#551813 #2F5513 #135055 #391355

split-complementary

#551813 #135539 #132F55

monochromatic

#190706 #230A08 #551813 #87261E #B93429

Accessibility & contrast

On white

13.76

#551813 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#551813 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551813

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551813	#FFFFFF	#000000	##FFFFFF
##551813	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292512

Deuteranopia (green-blind)

#383211

Tritanopia (blue-blind)

#5E0817

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #551813;
/* rgb */ color: rgb(85, 24, 19);
/* oklch */ color: oklch(30.8% 0.092 28.3);

Tailwind

colors: {
  custom: {
    50: '#8b5950',
    500: '#551813',
    950: '#000000',
  },
}

SCSS

$custom: #551813;
$custom-light: #8b5950;
$custom-dark: #000000;

JSON

{
  "hex": "#551813",
  "rgb": {
    "r": 85,
    "g": 24,
    "b": 19
  },
  "hsl": {
    "h": 4.545,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30816,
    "c": 0.09154,
    "h": 28.3
  },
  "luminance": 0.02632
}

Semantic roles & 50–950 ramp

primary

#551813

secondary

#36878D

accent

#DAE641

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #551813

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

Preview Lab → · Contrast checker → · Palette generator →