Cobalt Stone

CSS

:root {
  --cobalt-stone: #0264ae;
  --cobalt-stone-rgb: 2 100 174;
  --cobalt-stone-oklch: oklch(0.496 0.141 250.3);
}

.element {
  color: var(--cobalt-stone);
  background-color: hsl(206 98% 35%);
  border-color: oklch(0.496 0.141 250.3);
}

Tailwind CSS v4

@theme {
  --color-cobalt-stone: #0264ae;
  --color-cobalt-stone-50: #d9f9ff;
  --color-cobalt-stone-100: #c7ecff;
  --color-cobalt-stone-200: #a9d9ff;
  --color-cobalt-stone-300: #81bcfe;
  --color-cobalt-stone-400: #58a3ee;
  --color-cobalt-stone-500: #2b89df;
  --color-cobalt-stone-600: #2775bc;
  --color-cobalt-stone-700: #1f5d97;
  --color-cobalt-stone-800: #104570;
  --color-cobalt-stone-900: #0a304f;
  --color-cobalt-stone-950: #001c35;
}

SCSS

$cobalt-stone: #0264ae;
$cobalt-stone-rgb: 2, 100, 174;
$cobalt-stone-light: mix(#fff, $cobalt-stone, 20%);
$cobalt-stone-dark: mix(#000, $cobalt-stone, 20%);

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