Cornflower Blue

CSS

:root {
  --cornflower-blue: #6c91c5;
  --cornflower-blue-rgb: 108 145 197;
  --cornflower-blue-oklch: oklch(0.65 0.089 257);
}

.element {
  color: var(--cornflower-blue);
  background-color: hsl(215 43% 60%);
  border-color: oklch(0.65 0.089 257);
}

Tailwind CSS v4

@theme {
  --color-cornflower-blue: #6c91c5;
  --color-cornflower-blue-50: #e6f6ff;
  --color-cornflower-blue-100: #d6e9ff;
  --color-cornflower-blue-200: #bed6fb;
  --color-cornflower-blue-300: #9cb9e5;
  --color-cornflower-blue-400: #7da0d3;
  --color-cornflower-blue-500: #5f88c0;
  --color-cornflower-blue-600: #5173a2;
  --color-cornflower-blue-700: #415c82;
  --color-cornflower-blue-800: #2d4461;
  --color-cornflower-blue-900: #1e2f44;
  --color-cornflower-blue-950: #0e1b2c;
}

SCSS

$cornflower-blue: #6c91c5;
$cornflower-blue-rgb: 108, 145, 197;
$cornflower-blue-light: mix(#fff, $cornflower-blue, 20%);
$cornflower-blue-dark: mix(#000, $cornflower-blue, 20%);

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