Blue Hydrangea

CSS

:root {
  --blue-hydrangea: #bbc3dd;
  --blue-hydrangea-rgb: 187 195 221;
  --blue-hydrangea-oklch: oklch(0.819 0.038 272);
}

.element {
  color: var(--blue-hydrangea);
  background-color: hsl(226 33% 80%);
  border-color: oklch(0.819 0.038 272);
}

Tailwind CSS v4

@theme {
  --color-blue-hydrangea: #bbc3dd;
  --color-blue-hydrangea-50: #f1f5ff;
  --color-blue-hydrangea-100: #e4e7f5;
  --color-blue-hydrangea-200: #cfd3e5;
  --color-blue-hydrangea-300: #b1b6cb;
  --color-blue-hydrangea-400: #969eb5;
  --color-blue-hydrangea-500: #7d85a0;
  --color-blue-hydrangea-600: #6a7187;
  --color-blue-hydrangea-700: #555a6c;
  --color-blue-hydrangea-800: #3d4250;
  --color-blue-hydrangea-900: #2a2e38;
  --color-blue-hydrangea-950: #181a22;
}

SCSS

$blue-hydrangea: #bbc3dd;
$blue-hydrangea-rgb: 187, 195, 221;
$blue-hydrangea-light: mix(#fff, $blue-hydrangea, 20%);
$blue-hydrangea-dark: mix(#000, $blue-hydrangea, 20%);

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