Flemish Blue

CSS

:root {
  --flemish-blue: #add0e0;
  --flemish-blue-rgb: 173 208 224;
  --flemish-blue-oklch: oklch(0.837 0.043 227.3);
}

.element {
  color: var(--flemish-blue);
  background-color: hsl(199 45% 78%);
  border-color: oklch(0.837 0.043 227.3);
}

Tailwind CSS v4

@theme {
  --color-flemish-blue: #add0e0;
  --color-flemish-blue-50: #e9f8ff;
  --color-flemish-blue-100: #daebf4;
  --color-flemish-blue-200: #c2d8e3;
  --color-flemish-blue-300: #a1bcc9;
  --color-flemish-blue-400: #84a4b3;
  --color-flemish-blue-500: #688c9d;
  --color-flemish-blue-600: #587785;
  --color-flemish-blue-700: #465f6a;
  --color-flemish-blue-800: #32464e;
  --color-flemish-blue-900: #223036;
  --color-flemish-blue-950: #111c21;
}

SCSS

$flemish-blue: #add0e0;
$flemish-blue-rgb: 173, 208, 224;
$flemish-blue-light: mix(#fff, $flemish-blue, 20%);
$flemish-blue-dark: mix(#000, $flemish-blue, 20%);

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