#2A7DAE

CSS

:root {
  --mediterranean-blue: #2a7dae;
  --mediterranean-blue-rgb: 42 125 174;
  --mediterranean-blue-oklch: oklch(0.563 0.109 239.2);
}

.element {
  color: var(--mediterranean-blue);
  background-color: hsl(202 61% 42%);
  border-color: oklch(0.563 0.109 239.2);
}

Tailwind CSS v4

@theme {
  --color-mediterranean-blue: #2a7dae;
  --color-mediterranean-blue-50: #dbfaff;
  --color-mediterranean-blue-100: #c9edff;
  --color-mediterranean-blue-200: #abdbff;
  --color-mediterranean-blue-300: #84bfea;
  --color-mediterranean-blue-400: #5da7d8;
  --color-mediterranean-blue-500: #318fc6;
  --color-mediterranean-blue-600: #2c79a7;
  --color-mediterranean-blue-700: #236186;
  --color-mediterranean-blue-800: #154763;
  --color-mediterranean-blue-900: #0d3146;
  --color-mediterranean-blue-950: #011d2d;
}

SCSS

$mediterranean-blue: #2a7dae;
$mediterranean-blue-rgb: 42, 125, 174;
$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);
}