Rocky Hill

CSS

:root {
  --rocky-hill: #567b8a;
  --rocky-hill-rgb: 86 123 138;
  --rocky-hill-oklch: oklch(0.561 0.048 225.1);
}

.element {
  color: var(--rocky-hill);
  background-color: hsl(197 23% 44%);
  border-color: oklch(0.561 0.048 225.1);
}

Tailwind CSS v4

@theme {
  --color-rocky-hill: #567b8a;
  --color-rocky-hill-50: #e8f8ff;
  --color-rocky-hill-100: #d8ecf4;
  --color-rocky-hill-200: #c0d9e4;
  --color-rocky-hill-300: #9fbdcb;
  --color-rocky-hill-400: #81a5b4;
  --color-rocky-hill-500: #648d9e;
  --color-rocky-hill-600: #557886;
  --color-rocky-hill-700: #43606b;
  --color-rocky-hill-800: #30464e;
  --color-rocky-hill-900: #213137;
  --color-rocky-hill-950: #101d21;
}

SCSS

$rocky-hill: #567b8a;
$rocky-hill-rgb: 86, 123, 138;
$rocky-hill-light: mix(#fff, $rocky-hill, 20%);
$rocky-hill-dark: mix(#000, $rocky-hill, 20%);

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