#0082B6

CSS

:root {
  --mediterranean-blue: #0082b6;
  --mediterranean-blue-rgb: 0 130 182;
  --mediterranean-blue-oklch: oklch(0.573 0.122 235.5);
}

.element {
  color: var(--mediterranean-blue);
  background-color: hsl(197 100% 36%);
  border-color: oklch(0.573 0.122 235.5);
}

Tailwind CSS v4

@theme {
  --color-mediterranean-blue: #0082b6;
  --color-mediterranean-blue-50: #d5fbff;
  --color-mediterranean-blue-100: #c2efff;
  --color-mediterranean-blue-200: #a2ddff;
  --color-mediterranean-blue-300: #78c1ef;
  --color-mediterranean-blue-400: #4aa9dd;
  --color-mediterranean-blue-500: #0091cb;
  --color-mediterranean-blue-600: #057bac;
  --color-mediterranean-blue-700: #07628a;
  --color-mediterranean-blue-800: #004966;
  --color-mediterranean-blue-900: #013247;
  --color-mediterranean-blue-950: #001e2f;
}

SCSS

$mediterranean-blue: #0082b6;
$mediterranean-blue-rgb: 0, 130, 182;
$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);
}