#551D11#551D11

#551D11 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.5% C 0.086 H 33.7°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#551D11
RGB	rgb(85, 29, 17)
HSL	hsl(11, 67%, 20%)
HSV	hsv(11, 80%, 33%)
CMYK	cmyk(0%, 65.9%, 80%, 66.7%)
CIE-LAB	lab(19.44, 25.24, 21.29)
CIE-LCH	lch(19.44, 33.02, 40.14°)
OKLab	oklab(31.51% 0.0718 0.048)
OKLCH	oklch(31.51% 0.086 33.7)
XYZ	xyz(4.2873, 2.8511, 0.8548)
Luminance	0.0285 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D11 #114955

analogous

#551127 #551D11 #553F11

triadic

#551D11 #11551D #1D1155

tetradic

#551D11 #275511 #114955 #3F1155

square

#551D11 #275511 #114955 #3F1155

split-complementary

#551D11 #11553F #112755

monochromatic

#1A0905 #220C07 #551D11 #882E1B #BB4025

Accessibility & contrast

On white

13.38

#551D11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#551D11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D11

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D11	#FFFFFF	#000000	##FFFFFF
##551D11	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270F

Deuteranopia (green-blind)

#3A340F

Tritanopia (blue-blind)

#5E101A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #551d11;
/* rgb */ color: rgb(85, 29, 17);
/* oklch */ color: oklch(31.5% 0.086 33.7);

Tailwind

colors: {
  custom: {
    50: '#8a5b4f',
    500: '#551d11',
    950: '#000000',
  },
}

SCSS

$custom: #551d11;
$custom-light: #8a5b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#551d11",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 17
  },
  "hsl": {
    "h": 10.588,
    "s": 66.667,
    "l": 20
  },
  "oklch": {
    "l": 0.31508,
    "c": 0.08638,
    "h": 33.7
  },
  "luminance": 0.0285
}

Semantic roles & 50–950 ramp

primary

#551D11

secondary

#347E8E

accent

#CBEA3E

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #551D11

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

Preview Lab → · Contrast checker → · Palette generator →