#18568B#18568B

#18568B is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.3% C 0.107 H 249.0°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX#18568B
RGBrgb(24, 86, 139)
HSLhsl(208, 71%, 32%)
HSVhsv(208, 83%, 55%)
CMYKcmyk(82.7%, 38.1%, 0%, 45.5%)
CIE-LABlab(35.43, 0.73, -34.88)
CIE-LCHlch(35.43, 34.88, 271.19°)
OKLaboklab(44.27% -0.0382 -0.0995)
OKLCHoklch(44.27% 0.107 249)
XYZxyz(8.3629, 8.7128, 25.6621)
Luminance0.0871 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18568B #8B4D18
analogous
#188B87 #18568B #181D8B
triadic
#18568B #8B1856 #568B18
tetradic
#18568B #87188B #8B4D18 #1D8B18
square
#18568B #87188B #8B4D18 #1D8B18
split-complementary
#18568B #8B181D #8B8718
monochromatic
#061523 #0F3657 #18568B #2176BF #3F95DE

Accessibility & contrast

On white

7.66
#18568B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#18568B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18568B
7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18568B#FFFFFF#000000##FFFFFF
##18568B1.007.662.747.66
#FFFFFF7.661.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D598D
Deuteranopia (green-blind)
#2B4F8A
Tritanopia (blue-blind)
#00636A
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #18568b;
/* rgb */ color: rgb(24, 86, 139);
/* oklch */ color: oklch(44.3% 0.107 249.0);
Tailwind
colors: {
  custom: {
    50: '#6985ad',
    500: '#18568b',
    950: '#000000',
  },
}
SCSS
$custom: #18568b;
$custom-light: #6985ad;
$custom-dark: #000000;
JSON
{
  "hex": "#18568b",
  "rgb": {
    "r": 24,
    "g": 86,
    "b": 139
  },
  "hsl": {
    "h": 207.652,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.44269,
    "c": 0.10656,
    "h": 249
  },
  "luminance": 0.08714
}

Semantic roles & 50–950 ramp

primary
#18568B
secondary
#BE7A40
accent
#8D3AED
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #18568B

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

Preview Lab → · Contrast checker → · Palette generator →

#18568B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva