#550C0C#550C0C

#550C0C is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.4% C 0.105 H 26.6°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#550C0C
RGB	rgb(85, 12, 12)
HSL	hsl(0, 75%, 19%)
HSV	hsv(0, 86%, 33%)
CMYK	cmyk(0%, 85.9%, 85.9%, 66.7%)
CIE-LAB	lab(16.61, 32.56, 20.50)
CIE-LCH	lch(16.61, 38.47, 32.20°)
OKLab	oklab(29.37% 0.0936 0.0468)
OKLCH	oklch(29.37% 0.105 26.6)
XYZ	xyz(3.9446, 2.2214, 0.5688)
Luminance	0.0222 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550C0C #0C5555

analogous

#550C31 #550C0C #55310C

triadic

#550C0C #0C550C #0C0C55

tetradic

#550C0C #31550C #0C5555 #310C55

square

#550C0C #31550C #0C5555 #310C55

split-complementary

#550C0C #0C5531 #0C3155

monochromatic

#1B0404 #1F0404 #550C0C #8B1414 #C01B1B

Accessibility & contrast

On white

14.54

#550C0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#550C0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550C0C

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550C0C	#FFFFFF	#000000	##FFFFFF
##550C0C	1.00	14.54	1.44	14.54
#FFFFFF	14.54	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0B

Deuteranopia (green-blind)

#352F09

Tritanopia (blue-blind)

#5E000D

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #550c0c;
/* rgb */ color: rgb(85, 12, 12);
/* oklch */ color: oklch(29.4% 0.105 26.6);

Tailwind

colors: {
  custom: {
    50: '#8c534c',
    500: '#550c0c',
    950: '#000000',
  },
}

SCSS

$custom: #550c0c;
$custom-light: #8c534c;
$custom-dark: #000000;

JSON

{
  "hex": "#550c0c",
  "rgb": {
    "r": 85,
    "g": 12,
    "b": 12
  },
  "hsl": {
    "h": 0,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29369,
    "c": 0.10462,
    "h": 26.6
  },
  "luminance": 0.02221
}

Semantic roles & 50–950 ramp

primary

#550C0C

secondary

#2D9090

accent

#F2F236

background

#F9F4F4

surface

#F1E8E7

border

#CBC4C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #550C0C

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

Preview Lab → · Contrast checker → · Palette generator →