#550C0D#550C0D

#550C0D is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.4% C 0.104 H 26.0°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#550C0D
RGB	rgb(85, 12, 13)
HSL	hsl(359, 75%, 19%)
HSV	hsv(359, 86%, 33%)
CMYK	cmyk(0%, 85.9%, 84.7%, 66.7%)
CIE-LAB	lab(16.62, 32.60, 20.05)
CIE-LCH	lch(16.62, 38.27, 31.59°)
OKLab	oklab(29.38% 0.0939 0.0458)
OKLCH	oklch(29.38% 0.104 26)
XYZ	xyz(3.9509, 2.2239, 0.6019)
Luminance	0.0222 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550C0D #0C5554

analogous

#550C32 #550C0D #55300C

triadic

#550C0D #0D550C #0C0D55

tetradic

#550C0D #32550C #0C5554 #300C55

square

#550C0D #32550C #0C5554 #300C55

split-complementary

#550C0D #0C5530 #0C3255

monochromatic

#1B0404 #1F0405 #550C0D #8B1415 #C01B1D

Accessibility & contrast

On white

14.54

#550C0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#550C0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550C0D

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550C0D	#FFFFFF	#000000	##FFFFFF
##550C0D	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)

#231F0C

Deuteranopia (green-blind)

#352F0A

Tritanopia (blue-blind)

#5E000D

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #550c0d;
/* rgb */ color: rgb(85, 12, 13);
/* oklch */ color: oklch(29.4% 0.104 26.0);

Tailwind

colors: {
  custom: {
    50: '#8c534c',
    500: '#550c0d',
    950: '#000000',
  },
}

SCSS

$custom: #550c0d;
$custom-light: #8c534c;
$custom-dark: #000000;

JSON

{
  "hex": "#550c0d",
  "rgb": {
    "r": 85,
    "g": 12,
    "b": 13
  },
  "hsl": {
    "h": 359.178,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29382,
    "c": 0.10448,
    "h": 26
  },
  "luminance": 0.02223
}

Semantic roles & 50–950 ramp

primary

#550C0D

secondary

#2D908F

accent

#F2EF36

background

#F9F5F4

surface

#F1E8E7

border

#CBC4C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #550C0D

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

Preview Lab → · Contrast checker → · Palette generator →