Folk Blue

CSS

:root {
  --folk-blue: #547588;
  --folk-blue-rgb: 84 117 136;
  --folk-blue-oklch: oklch(0.544 0.048 234.1);
}

.element {
  color: var(--folk-blue);
  background-color: hsl(202 24% 43%);
  border-color: oklch(0.544 0.048 234.1);
}

Tailwind CSS v4

@theme {
  --color-folk-blue: #547588;
  --color-folk-blue-50: #e9f8ff;
  --color-folk-blue-100: #d9ebf6;
  --color-folk-blue-200: #c2d8e6;
  --color-folk-blue-300: #a1bccd;
  --color-folk-blue-400: #83a4b7;
  --color-folk-blue-500: #678ca2;
  --color-folk-blue-600: #577688;
  --color-folk-blue-700: #455f6d;
  --color-folk-blue-800: #314650;
  --color-folk-blue-900: #223038;
  --color-folk-blue-950: #111c23;
}

SCSS

$folk-blue: #547588;
$folk-blue-rgb: 84, 117, 136;
$folk-blue-light: mix(#fff, $folk-blue, 20%);
$folk-blue-dark: mix(#000, $folk-blue, 20%);

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