#181C20#181C20

#181C20 is a very dark, near-neutral cyan. Relative luminance 0.011; OKLCH L 22.4% C 0.010 H 248.3°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).

Color values

HEX#181C20
RGBrgb(24, 28, 32)
HSLhsl(210, 14%, 11%)
HSVhsv(210, 25%, 13%)
CMYKcmyk(25%, 12.5%, 0%, 87.5%)
CIE-LABlab(10.02, -0.72, -3.38)
CIE-LCHlch(10.02, 3.46, 258.01°)
OKLaboklab(22.4% -0.0036 -0.0092)
OKLCHoklch(22.4% 0.01 248.3)
XYZxyz(1.0526, 1.1290, 1.5287)
Luminance0.0113 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#181C20 #201C18
analogous
#182020 #181C20 #181820
triadic
#181C20 #20181C #1C2018
tetradic
#181C20 #201820 #201C18 #182018
square
#181C20 #201820 #201C18 #182018
split-complementary
#181C20 #201818 #202018
monochromatic
#0D0F11 #0D0F11 #181C20 #323B43 #4C5966

Accessibility & contrast

On white

17.13
#181C20 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.23
#181C20 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181C20
17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##181C20#FFFFFF#000000##FFFFFF
##181C201.0017.131.2317.13
#FFFFFF17.131.0021.001.00
#0000001.2321.001.0021.00
##FFFFFF17.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B1C20
Deuteranopia (green-blind)
#1A1B20
Tritanopia (blue-blind)
#161D1D
Achromatopsia (no color)
#1C1C1C

Design tokens & code

CSS
--color: #181c20;
/* rgb */ color: rgb(24, 28, 32);
/* oklch */ color: oklch(22.4% 0.010 248.3);
Tailwind
colors: {
  custom: {
    50: '#54575b',
    500: '#181c20',
    950: '#000000',
  },
}
SCSS
$custom: #181c20;
$custom-light: #54575b;
$custom-dark: #000000;
JSON
{
  "hex": "#181c20",
  "rgb": {
    "r": 24,
    "g": 28,
    "b": 32
  },
  "hsl": {
    "h": 210,
    "s": 14.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.22403,
    "c": 0.00987,
    "h": 248.3
  },
  "luminance": 0.01129
}

Semantic roles & 50–950 ramp

primary
#181C20
secondary
#514A43
accent
#9471B7
background
#F4F5F5
surface
#E7E9E9
border
#C3C5C5
text
#020304
muted
#787879

Preview Lab

Preview with #181C20

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

Preview Lab → · Contrast checker → · Palette generator →

#181C20 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva