Bermudan Blue

CSS

:root {
  --bermudan-blue: #386171;
  --bermudan-blue-rgb: 56 97 113;
  --bermudan-blue-oklch: oklch(0.469 0.053 225.1);
}

.element {
  color: var(--bermudan-blue);
  background-color: hsl(197 34% 33%);
  border-color: oklch(0.469 0.053 225.1);
}

Tailwind CSS v4

@theme {
  --color-bermudan-blue: #386171;
  --color-bermudan-blue-50: #e6f9ff;
  --color-bermudan-blue-100: #d6ecf6;
  --color-bermudan-blue-200: #bed9e6;
  --color-bermudan-blue-300: #9cbdcd;
  --color-bermudan-blue-400: #7da6b6;
  --color-bermudan-blue-500: #5f8ea1;
  --color-bermudan-blue-600: #517888;
  --color-bermudan-blue-700: #41606d;
  --color-bermudan-blue-800: #2e4750;
  --color-bermudan-blue-900: #1f3138;
  --color-bermudan-blue-950: #0e1d22;
}

SCSS

$bermudan-blue: #386171;
$bermudan-blue-rgb: 56, 97, 113;
$bermudan-blue-light: mix(#fff, $bermudan-blue, 20%);
$bermudan-blue-dark: mix(#000, $bermudan-blue, 20%);

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