#18222C#18222C

#18222C is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.7% C 0.024 H 248.8°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX#18222C
RGBrgb(24, 34, 44)
HSLhsl(210, 29%, 13%)
HSVhsv(210, 45%, 17%)
CMYKcmyk(45.5%, 22.7%, 0%, 82.7%)
CIE-LABlab(12.73, -1.20, -8.06)
CIE-LCHlch(12.73, 8.15, 261.55°)
OKLaboklab(24.72% -0.0086 -0.0223)
OKLCHoklch(24.72% 0.024 248.8)
XYZxyz(1.4032, 1.5200, 2.6018)
Luminance0.0152 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18222C #2C2218
analogous
#182C2C #18222C #18182C
triadic
#18222C #2C1822 #222C18
tetradic
#18222C #2C182C #2C2218 #182C18
square
#18222C #2C182C #2C2218 #182C18
split-complementary
#18222C #2C1818 #2C2C18
monochromatic
#0B0F14 #0B0F14 #18222C #2E4154 #435F7B

Accessibility & contrast

On white

16.10
#18222C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.30
#18222C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18222C
16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18222C#FFFFFF#000000##FFFFFF
##18222C1.0016.101.3016.10
#FFFFFF16.101.0021.001.00
#0000001.3021.001.0021.00
##FFFFFF16.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E222C
Deuteranopia (green-blind)
#1C202C
Tritanopia (blue-blind)
#112425
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #18222c;
/* rgb */ color: rgb(24, 34, 44);
/* oklch */ color: oklch(24.7% 0.024 248.8);
Tailwind
colors: {
  custom: {
    50: '#555c65',
    500: '#18222c',
    950: '#000000',
  },
}
SCSS
$custom: #18222c;
$custom-light: #555c65;
$custom-dark: #000000;
JSON
{
  "hex": "#18222c",
  "rgb": {
    "r": 24,
    "g": 34,
    "b": 44
  },
  "hsl": {
    "h": 210,
    "s": 29.412,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24716,
    "c": 0.02387,
    "h": 248.8
  },
  "luminance": 0.0152
}

Semantic roles & 50–950 ramp

primary
#18222C
secondary
#60503F
accent
#9462C6
background
#F5F5F6
surface
#E9E9EB
border
#C5C5C6
text
#030405
muted
#78797A

Preview Lab

Preview with #18222C

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

Preview Lab → · Contrast checker → · Palette generator →

#18222C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva