#551C11#551C11

#551C11 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.4% C 0.087 H 32.9°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#551C11
RGB	rgb(85, 28, 17)
HSL	hsl(10, 67%, 20%)
HSV	hsv(10, 80%, 33%)
CMYK	cmyk(0%, 67.1%, 80%, 66.7%)
CIE-LAB	lab(19.24, 25.77, 21.06)
CIE-LCH	lch(19.24, 33.28, 39.25°)
OKLab	oklab(31.36% 0.0735 0.0475)
OKLCH	oklch(31.36% 0.087 32.9)
XYZ	xyz(4.2632, 2.8029, 0.8467)
Luminance	0.0280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C11 #114A55

analogous

#551128 #551C11 #553E11

triadic

#551C11 #11551C #1C1155

tetradic

#551C11 #285511 #114A55 #3E1155

square

#551C11 #285511 #114A55 #3E1155

split-complementary

#551C11 #11553E #112855

monochromatic

#1A0805 #220B07 #551C11 #882D1B #BB3E25

Accessibility & contrast

On white

13.46

#551C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#551C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C11

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C11	#FFFFFF	#000000	##FFFFFF
##551C11	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2710

Deuteranopia (green-blind)

#3A330F

Tritanopia (blue-blind)

#5E0E1A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #551c11;
/* rgb */ color: rgb(85, 28, 17);
/* oklch */ color: oklch(31.4% 0.087 32.9);

Tailwind

colors: {
  custom: {
    50: '#8a5b4f',
    500: '#551c11',
    950: '#000000',
  },
}

SCSS

$custom: #551c11;
$custom-light: #8a5b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#551c11",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 17
  },
  "hsl": {
    "h": 9.706,
    "s": 66.667,
    "l": 20
  },
  "oklch": {
    "l": 0.31356,
    "c": 0.08749,
    "h": 32.9
  },
  "luminance": 0.02802
}

Semantic roles & 50–950 ramp

primary

#551C11

secondary

#347F8E

accent

#CEEA3E

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #551C11

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

Preview Lab → · Contrast checker → · Palette generator →