#550E18#550E18

#550E18 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.8% C 0.102 H 18.8°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX#550E18
RGBrgb(85, 14, 24)
HSLhsl(352, 72%, 19%)
HSVhsv(352, 84%, 33%)
CMYKcmyk(0%, 83.5%, 71.8%, 66.7%)
CIE-LABlab(17.05, 32.47, 13.79)
CIE-LCHlch(17.05, 35.28, 23.01°)
OKLaboklab(29.75% 0.0963 0.0327)
OKLCHoklch(29.75% 0.102 18.8)
XYZxyz(4.0687, 2.3119, 1.0960)
Luminance0.0231 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#550E18 #0E554B
analogous
#550E3C #550E18 #55280E
triadic
#550E18 #18550E #0E1855
tetradic
#550E18 #3C550E #0E554B #280E55
square
#550E18 #3C550E #0E554B #280E55
split-complementary
#550E18 #0E5528 #0E3C55
monochromatic
#1A0407 #200509 #550E18 #8A1727 #BE1F36

Accessibility & contrast

On white

14.36
#550E18 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.46
#550E18 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550E18
14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##550E18#FFFFFF#000000##FFFFFF
##550E181.0014.361.4614.36
#FFFFFF14.361.0021.001.00
#0000001.4621.001.0021.00
##FFFFFF14.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#232018
Deuteranopia (green-blind)
#352F16
Tritanopia (blue-blind)
#5E0012
Achromatopsia (no color)
#2A2A2A

Design tokens & code

CSS
--color: #550e18;
/* rgb */ color: rgb(85, 14, 24);
/* oklch */ color: oklch(29.8% 0.102 18.8);
Tailwind
colors: {
  custom: {
    50: '#8b5454',
    500: '#550e18',
    950: '#000000',
  },
}
SCSS
$custom: #550e18;
$custom-light: #8b5454;
$custom-dark: #000000;
JSON
{
  "hex": "#550e18",
  "rgb": {
    "r": 85,
    "g": 14,
    "b": 24
  },
  "hsl": {
    "h": 351.549,
    "s": 71.717,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29754,
    "c": 0.1017,
    "h": 18.8
  },
  "luminance": 0.02311
}

Semantic roles & 50–950 ramp

primary
#550E18
secondary
#308F82
accent
#EED539
background
#F9F5F4
surface
#F1E9E7
border
#CBC5C3
text
#0D0302
muted
#7E7878

Preview Lab

Preview with #550E18

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

Preview Lab → · Contrast checker → · Palette generator →

#550E18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva