#0C7EB4

CSS

:root {
  --mediterranean-blue: #0c7eb4;
  --mediterranean-blue-rgb: 12 126 180;
  --mediterranean-blue-oklch: oklch(0.563 0.122 238);
}

.element {
  color: var(--mediterranean-blue);
  background-color: hsl(199 88% 38%);
  border-color: oklch(0.563 0.122 238);
}

Tailwind CSS v4

@theme {
  --color-mediterranean-blue: #0c7eb4;
  --color-mediterranean-blue-50: #d7fbff;
  --color-mediterranean-blue-100: #c4eeff;
  --color-mediterranean-blue-200: #a5dcff;
  --color-mediterranean-blue-300: #7bc0f0;
  --color-mediterranean-blue-400: #4fa8de;
  --color-mediterranean-blue-500: #1090cd;
  --color-mediterranean-blue-600: #157aad;
  --color-mediterranean-blue-700: #11628b;
  --color-mediterranean-blue-800: #054867;
  --color-mediterranean-blue-900: #043248;
  --color-mediterranean-blue-950: #001e2f;
}

SCSS

$mediterranean-blue: #0c7eb4;
$mediterranean-blue-rgb: 12, 126, 180;
$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);
}