Ballroom Blue

CSS

:root {
  --ballroom-blue: #a6b3c9;
  --ballroom-blue-rgb: 166 179 201;
  --ballroom-blue-oklch: oklch(0.764 0.035 261);
}

.element {
  color: var(--ballroom-blue);
  background-color: hsl(218 24% 72%);
  border-color: oklch(0.764 0.035 261);
}

Tailwind CSS v4

@theme {
  --color-ballroom-blue: #a6b3c9;
  --color-ballroom-blue-50: #f0f5ff;
  --color-ballroom-blue-100: #e2e8f4;
  --color-ballroom-blue-200: #ccd5e4;
  --color-ballroom-blue-300: #aeb8ca;
  --color-ballroom-blue-400: #939fb4;
  --color-ballroom-blue-500: #79879e;
  --color-ballroom-blue-600: #677285;
  --color-ballroom-blue-700: #525b6b;
  --color-ballroom-blue-800: #3b434f;
  --color-ballroom-blue-900: #292e37;
  --color-ballroom-blue-950: #161b22;
}

SCSS

$ballroom-blue: #a6b3c9;
$ballroom-blue-rgb: 166, 179, 201;
$ballroom-blue-light: mix(#fff, $ballroom-blue, 20%);
$ballroom-blue-dark: mix(#000, $ballroom-blue, 20%);

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