#550D1E#550D1E

#550D1E is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.8% C 0.103 H 13.2°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#550D1E
RGB	rgb(85, 13, 30)
HSL	hsl(346, 73%, 19%)
HSV	hsv(346, 85%, 33%)
CMYK	cmyk(0%, 84.7%, 64.7%, 66.7%)
CIE-LAB	lab(17.05, 33.24, 9.50)
CIE-LCH	lch(17.05, 34.57, 15.95°)
OKLab	oklab(29.8% 0.1001 0.0234)
OKLCH	oklch(29.8% 0.103 13.2)
XYZ	xyz(4.1250, 2.3135, 1.4574)
Luminance	0.0231 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550D1E #0D5544

analogous

#550D42 #550D1E #55200D

triadic

#550D1E #1E550D #0D1E55

tetradic

#550D1E #42550D #0D5544 #200D55

square

#550D1E #42550D #0D5544 #200D55

split-complementary

#550D1E #0D5520 #0D4255

monochromatic

#1B0409 #20050B #550D1E #8A1531 #BF1D43

Accessibility & contrast

On white

14.36

#550D1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#550D1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550D1E

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550D1E	#FFFFFF	#000000	##FFFFFF
##550D1E	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21211E

Deuteranopia (green-blind)

#342F1C

Tritanopia (blue-blind)

#5E0014

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #550d1e;
/* rgb */ color: rgb(85, 13, 30);
/* oklch */ color: oklch(29.8% 0.103 13.2);

Tailwind

colors: {
  custom: {
    50: '#8a5459',
    500: '#550d1e',
    950: '#000000',
  },
}

SCSS

$custom: #550d1e;
$custom-light: #8a5459;
$custom-dark: #000000;

JSON

{
  "hex": "#550d1e",
  "rgb": {
    "r": 85,
    "g": 13,
    "b": 30
  },
  "hsl": {
    "h": 345.833,
    "s": 73.469,
    "l": 19.216
  },
  "oklch": {
    "l": 0.29803,
    "c": 0.10284,
    "h": 13.2
  },
  "luminance": 0.02313
}

Semantic roles & 50–950 ramp

primary

#550D1E

secondary

#2E9079

accent

#F0C538

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0303

muted

#7D7878

Preview Lab

Preview with #550D1E

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

Preview Lab → · Contrast checker → · Palette generator →