#181E24#181E24

#181E24 is a very dark, near-neutral cyan. Relative luminance 0.013; OKLCH L 23.2% C 0.015 H 248.4°. Best body text is #FFFFFF at 16.80:1 contrast (WCAG AA passes).

Color values

HEX#181E24
RGBrgb(24, 30, 36)
HSLhsl(210, 20%, 12%)
HSVhsv(210, 33%, 14%)
CMYKcmyk(33.3%, 16.7%, 0%, 85.9%)
CIE-LABlab(10.92, -0.95, -4.99)
CIE-LCHlch(10.92, 5.08, 259.24°)
OKLaboklab(23.17% -0.0054 -0.0136)
OKLCHoklch(23.17% 0.015 248.4)
XYZxyz(1.1593, 1.2501, 1.8489)
Luminance0.0125 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#181E24 #241E18
analogous
#182424 #181E24 #181824
triadic
#181E24 #24181E #1E2418
tetradic
#181E24 #241824 #241E18 #182418
square
#181E24 #241824 #241E18 #182418
split-complementary
#181E24 #241818 #242418
monochromatic
#0C0F12 #0C0F12 #181E24 #303D49 #495B6D

Accessibility & contrast

On white

16.80
#181E24 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.25
#181E24 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E24
16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##181E24#FFFFFF#000000##FFFFFF
##181E241.0016.801.2516.80
#FFFFFF16.801.0021.001.00
#0000001.2521.001.0021.00
##FFFFFF16.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1C1E24
Deuteranopia (green-blind)
#1A1D24
Tritanopia (blue-blind)
#151F20
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #181e24;
/* rgb */ color: rgb(24, 30, 36);
/* oklch */ color: oklch(23.2% 0.015 248.4);
Tailwind
colors: {
  custom: {
    50: '#55595e',
    500: '#181e24',
    950: '#000000',
  },
}
SCSS
$custom: #181e24;
$custom-light: #55595e;
$custom-dark: #000000;
JSON
{
  "hex": "#181e24",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 36
  },
  "hsl": {
    "h": 210,
    "s": 20,
    "l": 11.765
  },
  "oklch": {
    "l": 0.23168,
    "c": 0.01464,
    "h": 248.4
  },
  "luminance": 0.0125
}

Semantic roles & 50–950 ramp

primary
#181E24
secondary
#574C41
accent
#946BBD
background
#F4F5F5
surface
#E7E9E9
border
#C3C5C5
text
#030304
muted
#787879

Preview Lab

Preview with #181E24

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

Preview Lab → · Contrast checker → · Palette generator →

#181E24 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva