#551C0C#551C0C

#551C0C is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.3% C 0.089 H 36.2°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#551C0C
RGB	rgb(85, 28, 12)
HSL	hsl(13, 75%, 19%)
HSV	hsv(13, 86%, 33%)
CMYK	cmyk(0%, 67.1%, 85.9%, 66.7%)
CIE-LAB	lab(19.18, 25.54, 23.58)
CIE-LCH	lch(19.18, 34.76, 42.71°)
OKLab	oklab(31.29% 0.0717 0.0525)
OKLCH	oklch(31.29% 0.089 36.2)
XYZ	xyz(4.2284, 2.7889, 0.6634)
Luminance	0.0279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C0C #0C4555

analogous

#550C21 #551C0C #55410C

triadic

#551C0C #0C551C #1C0C55

tetradic

#551C0C #21550C #0C4555 #410C55

square

#551C0C #21550C #0C4555 #410C55

split-complementary

#551C0C #0C5541 #0C2155

monochromatic

#1B0904 #1F0A04 #551C0C #8B2E14 #C03F1B

Accessibility & contrast

On white

13.48

#551C0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#551C0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C0C

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C0C	#FFFFFF	#000000	##FFFFFF
##551C0C	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270A

Deuteranopia (green-blind)

#3A330A

Tritanopia (blue-blind)

#5E0E19

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #551c0c;
/* rgb */ color: rgb(85, 28, 12);
/* oklch */ color: oklch(31.3% 0.089 36.2);

Tailwind

colors: {
  custom: {
    50: '#8b5b4c',
    500: '#551c0c',
    950: '#000000',
  },
}

SCSS

$custom: #551c0c;
$custom-light: #8b5b4c;
$custom-dark: #000000;

JSON

{
  "hex": "#551c0c",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 12
  },
  "hsl": {
    "h": 13.151,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.31294,
    "c": 0.08884,
    "h": 36.2
  },
  "luminance": 0.02788
}

Semantic roles & 50–950 ramp

primary

#551C0C

secondary

#2D7A90

accent

#C9F236

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #551C0C

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

Preview Lab → · Contrast checker → · Palette generator →