#550F18#550F18

#550F18 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.9% C 0.101 H 19.2°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#550F18
RGB	rgb(85, 15, 24)
HSL	hsl(352, 70%, 20%)
HSV	hsv(352, 82%, 33%)
CMYK	cmyk(0%, 82.4%, 71.8%, 66.7%)
CIE-LAB	lab(17.18, 32.10, 13.96)
CIE-LCH	lch(17.18, 35.00, 23.50°)
OKLab	oklab(29.85% 0.0951 0.0331)
OKLCH	oklch(29.85% 0.101 19.2)
XYZ	xyz(4.0824, 2.3395, 1.1006)
Luminance	0.0234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550F18 #0F554C

analogous

#550F3B #550F18 #55290F

triadic

#550F18 #18550F #0F1855

tetradic

#550F18 #3B550F #0F554C #290F55

square

#550F18 #3B550F #0F554C #290F55

split-complementary

#550F18 #0F5529 #0F3B55

monochromatic

#1A0507 #210609 #550F18 #891827 #BD2135

Accessibility & contrast

On white

14.31

#550F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#550F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550F18

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550F18	#FFFFFF	#000000	##FFFFFF
##550F18	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232118

Deuteranopia (green-blind)

#353016

Tritanopia (blue-blind)

#5E0013

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #550f18;
/* rgb */ color: rgb(85, 15, 24);
/* oklch */ color: oklch(29.9% 0.101 19.2);

Tailwind

colors: {
  custom: {
    50: '#8b5454',
    500: '#550f18',
    950: '#000000',
  },
}

SCSS

$custom: #550f18;
$custom-light: #8b5454;
$custom-dark: #000000;

JSON

{
  "hex": "#550f18",
  "rgb": {
    "r": 85,
    "g": 15,
    "b": 24
  },
  "hsl": {
    "h": 352.286,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29851,
    "c": 0.10072,
    "h": 19.2
  },
  "luminance": 0.02339
}

Semantic roles & 50–950 ramp

primary

#550F18

secondary

#318F83

accent

#EDD63B

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #550F18

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

Preview Lab → · Contrast checker → · Palette generator →