Goblin Blue

CSS

:root {
  --goblin-blue: #5f7278;
  --goblin-blue-rgb: 95 114 120;
  --goblin-blue-oklch: oklch(0.539 0.024 218.9);
}

.element {
  color: var(--goblin-blue);
  background-color: hsl(194 12% 42%);
  border-color: oklch(0.539 0.024 218.9);
}

Tailwind CSS v4

@theme {
  --color-goblin-blue: #5f7278;
  --color-goblin-blue-50: #eef7fa;
  --color-goblin-blue-100: #e0eaee;
  --color-goblin-blue-200: #cad7dc;
  --color-goblin-blue-300: #aabbc0;
  --color-goblin-blue-400: #8fa2a8;
  --color-goblin-blue-500: #758a91;
  --color-goblin-blue-600: #63757b;
  --color-goblin-blue-700: #4f5e62;
  --color-goblin-blue-800: #394548;
  --color-goblin-blue-900: #272f32;
  --color-goblin-blue-950: #151c1e;
}

SCSS

$goblin-blue: #5f7278;
$goblin-blue-rgb: 95, 114, 120;
$goblin-blue-light: mix(#fff, $goblin-blue, 20%);
$goblin-blue-dark: mix(#000, $goblin-blue, 20%);

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