#181C1E#181C1E

#181C1E is a very dark, near-neutral cyan. Relative luminance 0.011; OKLCH L 22.3% C 0.007 H 229.2°. Best body text is #FFFFFF at 17.16:1 contrast (WCAG AA passes).

Color values

HEX#181C1E
RGBrgb(24, 28, 30)
HSLhsl(200, 11%, 11%)
HSVhsv(200, 20%, 12%)
CMYKcmyk(20%, 6.7%, 0%, 88.2%)
CIE-LABlab(9.94, -1.31, -2.02)
CIE-LCHlch(9.94, 2.40, 237.06°)
OKLaboklab(22.31% -0.0047 -0.0054)
OKLCHoklch(22.31% 0.007 229.2)
XYZxyz(1.0262, 1.1184, 1.3899)
Luminance0.0112 (WCAG relative)
Temperatureneutral
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#181C1E #1E1A18
analogous
#181E1D #181C1E #18191E
triadic
#181C1E #1E181C #1C1E18
tetradic
#181C1E #1D181E #1E1A18 #191E18
square
#181C1E #1D181E #1E1A18 #191E18
split-complementary
#181C1E #1E1819 #1E1D18
monochromatic
#0E1011 #0E1011 #181C1E #333C40 #4E5B62

Accessibility & contrast

On white

17.16
#181C1E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.22
#181C1E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181C1E
17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##181C1E#FFFFFF#000000##FFFFFF
##181C1E1.0017.161.2217.16
#FFFFFF17.161.0021.001.00
#0000001.2221.001.0021.00
##FFFFFF17.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B1C1E
Deuteranopia (green-blind)
#1A1B1E
Tritanopia (blue-blind)
#161D1D
Achromatopsia (no color)
#1B1B1B

Design tokens & code

CSS
--color: #181c1e;
/* rgb */ color: rgb(24, 28, 30);
/* oklch */ color: oklch(22.3% 0.007 229.2);
Tailwind
colors: {
  custom: {
    50: '#545759',
    500: '#181c1e',
    950: '#000000',
  },
}
SCSS
$custom: #181c1e;
$custom-light: #545759;
$custom-dark: #000000;
JSON
{
  "hex": "#181c1e",
  "rgb": {
    "r": 24,
    "g": 28,
    "b": 30
  },
  "hsl": {
    "h": 200,
    "s": 11.111,
    "l": 10.588
  },
  "oklch": {
    "l": 0.22312,
    "c": 0.00718,
    "h": 229.2
  },
  "luminance": 0.01118
}

Semantic roles & 50–950 ramp

primary
#181C1E
secondary
#4F4743
accent
#8974B4
background
#F4F5F5
surface
#E7E9E9
border
#C3C5C5
text
#020303
muted
#787878

Preview Lab

Preview with #181C1E

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

Preview Lab → · Contrast checker → · Palette generator →

#181C1E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva