#550C0F#550C0F

#550C0F is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.4% C 0.104 H 24.7°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#550C0F
RGB	rgb(85, 12, 15)
HSL	hsl(358, 75%, 19%)
HSV	hsv(358, 86%, 33%)
CMYK	cmyk(0%, 85.9%, 82.4%, 66.7%)
CIE-LAB	lab(16.65, 32.68, 19.07)
CIE-LCH	lch(16.65, 37.84, 30.27°)
OKLab	oklab(29.41% 0.0947 0.0436)
OKLCH	oklch(29.41% 0.104 24.7)
XYZ	xyz(3.9645, 2.2294, 0.6734)
Luminance	0.0223 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550C0F #0C5552

analogous

#550C34 #550C0F #552E0C

triadic

#550C0F #0F550C #0C0F55

tetradic

#550C0F #34550C #0C5552 #2E0C55

square

#550C0F #34550C #0C5552 #2E0C55

split-complementary

#550C0F #0C552E #0C3455

monochromatic

#1B0405 #1F0406 #550C0F #8B1418 #C01B22

Accessibility & contrast

On white

14.52

#550C0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#550C0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550C0F

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550C0F	#FFFFFF	#000000	##FFFFFF
##550C0F	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0E

Deuteranopia (green-blind)

#352F0C

Tritanopia (blue-blind)

#5E000E

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #550c0f;
/* rgb */ color: rgb(85, 12, 15);
/* oklch */ color: oklch(29.4% 0.104 24.7);

Tailwind

colors: {
  custom: {
    50: '#8c534d',
    500: '#550c0f',
    950: '#000000',
  },
}

SCSS

$custom: #550c0f;
$custom-light: #8c534d;
$custom-dark: #000000;

JSON

{
  "hex": "#550c0f",
  "rgb": {
    "r": 85,
    "g": 12,
    "b": 15
  },
  "hsl": {
    "h": 357.534,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.2941,
    "c": 0.10423,
    "h": 24.7
  },
  "luminance": 0.02229
}

Semantic roles & 50–950 ramp

primary

#550C0F

secondary

#2D908C

accent

#F2EA36

background

#F9F5F4

surface

#F1E8E7

border

#CBC4C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #550C0F

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

Preview Lab → · Contrast checker → · Palette generator →