#550D0C#550D0C

#550D0C is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.5% C 0.104 H 27.0°. Best body text is #FFFFFF at 14.49:1 contrast (WCAG AA passes).

Color values

HEX	#550D0C
RGB	rgb(85, 13, 12)
HSL	hsl(1, 75%, 19%)
HSV	hsv(1, 86%, 33%)
CMYK	cmyk(0%, 84.7%, 85.9%, 66.7%)
CIE-LAB	lab(16.73, 32.22, 20.65)
CIE-LCH	lch(16.73, 38.27, 32.66°)
OKLab	oklab(29.46% 0.0925 0.0471)
OKLCH	oklch(29.46% 0.104 27)
XYZ	xyz(3.9571, 2.2463, 0.5730)
Luminance	0.0225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550D0C #0C5455

analogous

#550C30 #550D0C #55320C

triadic

#550D0C #0C550D #0D0C55

tetradic

#550D0C #30550C #0C5455 #320C55

square

#550D0C #30550C #0C5455 #320C55

split-complementary

#550D0C #0C5532 #0C3055

monochromatic

#1B0404 #1F0504 #550D0C #8B1514 #C01D1B

Accessibility & contrast

On white

14.49

#550D0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#550D0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550D0C

14.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550D0C	#FFFFFF	#000000	##FFFFFF
##550D0C	1.00	14.49	1.45	14.49
#FFFFFF	14.49	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#241F0B

Deuteranopia (green-blind)

#352F09

Tritanopia (blue-blind)

#5E000E

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #550d0c;
/* rgb */ color: rgb(85, 13, 12);
/* oklch */ color: oklch(29.5% 0.104 27.0);

Tailwind

colors: {
  custom: {
    50: '#8c534c',
    500: '#550d0c',
    950: '#000000',
  },
}

SCSS

$custom: #550d0c;
$custom-light: #8c534c;
$custom-dark: #000000;

JSON

{
  "hex": "#550d0c",
  "rgb": {
    "r": 85,
    "g": 13,
    "b": 12
  },
  "hsl": {
    "h": 0.822,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29459,
    "c": 0.10378,
    "h": 27
  },
  "luminance": 0.02246
}

Semantic roles & 50–950 ramp

primary

#550D0C

secondary

#2D8F90

accent

#EFF236

background

#F9F5F4

surface

#F1E8E7

border

#CBC4C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #550D0C

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

Preview Lab → · Contrast checker → · Palette generator →