Breonne Blue

CSS

:root {
  --breonne-blue: #2d567c;
  --breonne-blue-rgb: 45 86 124;
  --breonne-blue-oklch: oklch(0.441 0.078 248.3);
}

.element {
  color: var(--breonne-blue);
  background-color: hsl(209 47% 33%);
  border-color: oklch(0.441 0.078 248.3);
}

Tailwind CSS v4

@theme {
  --color-breonne-blue: #2d567c;
  --color-breonne-blue-50: #e5f7ff;
  --color-breonne-blue-100: #d5ebff;
  --color-breonne-blue-200: #bcd7f5;
  --color-breonne-blue-300: #9abbdf;
  --color-breonne-blue-400: #7aa3cb;
  --color-breonne-blue-500: #5b8bb8;
  --color-breonne-blue-600: #4e759b;
  --color-breonne-blue-700: #3e5e7d;
  --color-breonne-blue-800: #2b455c;
  --color-breonne-blue-900: #1d3040;
  --color-breonne-blue-950: #0d1c29;
}

SCSS

$breonne-blue: #2d567c;
$breonne-blue-rgb: 45, 86, 124;
$breonne-blue-light: mix(#fff, $breonne-blue, 20%);
$breonne-blue-dark: mix(#000, $breonne-blue, 20%);

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