Way Beyond the Blue

CSS

:root {
  --way-beyond-the-blue: #1188cc;
  --way-beyond-the-blue-rgb: 17 136 204;
  --way-beyond-the-blue-oklch: oklch(0.601 0.139 242.4);
}

.element {
  color: var(--way-beyond-the-blue);
  background-color: hsl(202 85% 43%);
  border-color: oklch(0.601 0.139 242.4);
}

Tailwind CSS v4

@theme {
  --color-way-beyond-the-blue: #1188cc;
  --color-way-beyond-the-blue-50: #d4faff;
  --color-way-beyond-the-blue-100: #c1eeff;
  --color-way-beyond-the-blue-200: #a1dbff;
  --color-way-beyond-the-blue-300: #77bffa;
  --color-way-beyond-the-blue-400: #47a7e9;
  --color-way-beyond-the-blue-500: #008eda;
  --color-way-beyond-the-blue-600: #0078b8;
  --color-way-beyond-the-blue-700: #026094;
  --color-way-beyond-the-blue-800: #00476d;
  --color-way-beyond-the-blue-900: #00314d;
  --color-way-beyond-the-blue-950: #001d33;
}

SCSS

$way-beyond-the-blue: #1188cc;
$way-beyond-the-blue-rgb: 17, 136, 204;
$way-beyond-the-blue-light: mix(#fff, $way-beyond-the-blue, 20%);
$way-beyond-the-blue-dark: mix(#000, $way-beyond-the-blue, 20%);

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