Madonna Blue

CSS

:root {
  --madonna-blue: #71b5d1;
  --madonna-blue-rgb: 113 181 209;
  --madonna-blue-oklch: oklch(0.738 0.08 226.2);
}

.element {
  color: var(--madonna-blue);
  background-color: hsl(198 51% 63%);
  border-color: oklch(0.738 0.08 226.2);
}

Tailwind CSS v4

@theme {
  --color-madonna-blue: #71b5d1;
  --color-madonna-blue-50: #dffaff;
  --color-madonna-blue-100: #cdeefd;
  --color-madonna-blue-200: #b2dcf0;
  --color-madonna-blue-300: #8cc0d8;
  --color-madonna-blue-400: #69a8c3;
  --color-madonna-blue-500: #4491af;
  --color-madonna-blue-600: #3b7b94;
  --color-madonna-blue-700: #2f6276;
  --color-madonna-blue-800: #1f4857;
  --color-madonna-blue-900: #15323d;
  --color-madonna-blue-950: #061e26;
}

SCSS

$madonna-blue: #71b5d1;
$madonna-blue-rgb: 113, 181, 209;
$madonna-blue-light: mix(#fff, $madonna-blue, 20%);
$madonna-blue-dark: mix(#000, $madonna-blue, 20%);

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