Pinafore Blue

CSS

:root {
  --pinafore-blue: #7198c0;
  --pinafore-blue-rgb: 113 152 192;
  --pinafore-blue-oklch: oklch(0.666 0.074 249.6);
}

.element {
  color: var(--pinafore-blue);
  background-color: hsl(210 39% 60%);
  border-color: oklch(0.666 0.074 249.6);
}

Tailwind CSS v4

@theme {
  --color-pinafore-blue: #7198c0;
  --color-pinafore-blue-50: #e6f7ff;
  --color-pinafore-blue-100: #d7eaff;
  --color-pinafore-blue-200: #bed7f4;
  --color-pinafore-blue-300: #9cbbdd;
  --color-pinafore-blue-400: #7da2c9;
  --color-pinafore-blue-500: #5f8ab5;
  --color-pinafore-blue-600: #517599;
  --color-pinafore-blue-700: #415d7b;
  --color-pinafore-blue-800: #2d455b;
  --color-pinafore-blue-900: #1f303f;
  --color-pinafore-blue-950: #0e1c28;
}

SCSS

$pinafore-blue: #7198c0;
$pinafore-blue-rgb: 113, 152, 192;
$pinafore-blue-light: mix(#fff, $pinafore-blue, 20%);
$pinafore-blue-dark: mix(#000, $pinafore-blue, 20%);

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