#327DAC

CSS

:root {
  --mediterranean-blue: #327dac;
  --mediterranean-blue-rgb: 50 125 172;
  --mediterranean-blue-oklch: oklch(0.564 0.103 239.9);
}

.element {
  color: var(--mediterranean-blue);
  background-color: hsl(203 55% 44%);
  border-color: oklch(0.564 0.103 239.9);
}

Tailwind CSS v4

@theme {
  --color-mediterranean-blue: #327dac;
  --color-mediterranean-blue-50: #dcfaff;
  --color-mediterranean-blue-100: #cbedff;
  --color-mediterranean-blue-200: #aedafd;
  --color-mediterranean-blue-300: #88bee8;
  --color-mediterranean-blue-400: #62a7d5;
  --color-mediterranean-blue-500: #3a8ec3;
  --color-mediterranean-blue-600: #3378a5;
  --color-mediterranean-blue-700: #286084;
  --color-mediterranean-blue-800: #194762;
  --color-mediterranean-blue-900: #103145;
  --color-mediterranean-blue-950: #031d2c;
}

SCSS

$mediterranean-blue: #327dac;
$mediterranean-blue-rgb: 50, 125, 172;
$mediterranean-blue-light: mix(#fff, $mediterranean-blue, 20%);
$mediterranean-blue-dark: mix(#000, $mediterranean-blue, 20%);

.element {
  color: $mediterranean-blue;
  box-shadow: 0 0 0 2px rgba($mediterranean-blue, 0.35);
}