Lifeboat Blue

CSS

:root {
  --lifeboat-blue: #81b6bc;
  --lifeboat-blue-rgb: 129 182 188;
  --lifeboat-blue-oklch: oklch(0.741 0.056 204.9);
}

.element {
  color: var(--lifeboat-blue);
  background-color: hsl(186 31% 62%);
  border-color: oklch(0.741 0.056 204.9);
}

Tailwind CSS v4

@theme {
  --color-lifeboat-blue: #81b6bc;
  --color-lifeboat-blue-50: #e4fafd;
  --color-lifeboat-blue-100: #d3eef1;
  --color-lifeboat-blue-200: #badce0;
  --color-lifeboat-blue-300: #97c0c6;
  --color-lifeboat-blue-400: #77a8ae;
  --color-lifeboat-blue-500: #579198;
  --color-lifeboat-blue-600: #4a7b80;
  --color-lifeboat-blue-700: #3b6267;
  --color-lifeboat-blue-800: #2a484b;
  --color-lifeboat-blue-900: #1c3234;
  --color-lifeboat-blue-950: #0c1e1f;
}

SCSS

$lifeboat-blue: #81b6bc;
$lifeboat-blue-rgb: 129, 182, 188;
$lifeboat-blue-light: mix(#fff, $lifeboat-blue, 20%);
$lifeboat-blue-dark: mix(#000, $lifeboat-blue, 20%);

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