Bleuchâtel Blue

CSS

:root {
  --bleuchatel-blue: #4488ff;
  --bleuchatel-blue-rgb: 68 136 255;
  --bleuchatel-blue-oklch: oklch(0.645 0.19 260.7);
}

.element {
  color: var(--bleuchatel-blue);
  background-color: hsl(218 100% 63%);
  border-color: oklch(0.645 0.19 260.7);
}

Tailwind CSS v4

@theme {
  --color-bleuchatel-blue: #4488ff;
  --color-bleuchatel-blue-50: #d8f6ff;
  --color-bleuchatel-blue-100: #c6e8ff;
  --color-bleuchatel-blue-200: #a9d4ff;
  --color-bleuchatel-blue-300: #82b5ff;
  --color-bleuchatel-blue-400: #599bff;
  --color-bleuchatel-blue-500: #327eff;
  --color-bleuchatel-blue-600: #2c6bd9;
  --color-bleuchatel-blue-700: #2356ae;
  --color-bleuchatel-blue-800: #113f82;
  --color-bleuchatel-blue-900: #0b2c5c;
  --color-bleuchatel-blue-950: #01183f;
}

SCSS

$bleuchatel-blue: #4488ff;
$bleuchatel-blue-rgb: 68, 136, 255;
$bleuchatel-blue-light: mix(#fff, $bleuchatel-blue, 20%);
$bleuchatel-blue-dark: mix(#000, $bleuchatel-blue, 20%);

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