Chinese Blue

CSS

:root {
  --chinese-blue: #365194;
  --chinese-blue-rgb: 54 81 148;
  --chinese-blue-oklch: oklch(0.449 0.114 265.5);
}

.element {
  color: var(--chinese-blue);
  background-color: hsl(223 47% 40%);
  border-color: oklch(0.449 0.114 265.5);
}

Tailwind CSS v4

@theme {
  --color-chinese-blue: #365194;
  --color-chinese-blue-50: #e7f5ff;
  --color-chinese-blue-100: #d7e8ff;
  --color-chinese-blue-200: #bfd3ff;
  --color-chinese-blue-300: #9eb6f3;
  --color-chinese-blue-400: #7e9de2;
  --color-chinese-blue-500: #6183d2;
  --color-chinese-blue-600: #536fb1;
  --color-chinese-blue-700: #42598e;
  --color-chinese-blue-800: #2d416a;
  --color-chinese-blue-900: #1f2d4a;
  --color-chinese-blue-950: #0f1a31;
}

SCSS

$chinese-blue: #365194;
$chinese-blue-rgb: 54, 81, 148;
$chinese-blue-light: mix(#fff, $chinese-blue, 20%);
$chinese-blue-dark: mix(#000, $chinese-blue, 20%);

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