Prussian Nights

CSS

:root {
  --prussian-nights: #0b085f;
  --prussian-nights-rgb: 11 8 95;
  --prussian-nights-oklch: oklch(0.236 0.141 269.5);
}

.element {
  color: var(--prussian-nights);
  background-color: hsl(242 84% 20%);
  border-color: oklch(0.236 0.141 269.5);
}

Tailwind CSS v4

@theme {
  --color-prussian-nights: #0b085f;
  --color-prussian-nights-50: #e6f4ff;
  --color-prussian-nights-100: #d7e6ff;
  --color-prussian-nights-200: #bed1ff;
  --color-prussian-nights-300: #9db3ff;
  --color-prussian-nights-400: #7d99f2;
  --color-prussian-nights-500: #617ee3;
  --color-prussian-nights-600: #536bbf;
  --color-prussian-nights-700: #42569a;
  --color-prussian-nights-800: #2d3f73;
  --color-prussian-nights-900: #1e2b51;
  --color-prussian-nights-950: #0e1836;
}

SCSS

$prussian-nights: #0b085f;
$prussian-nights-rgb: 11, 8, 95;
$prussian-nights-light: mix(#fff, $prussian-nights, 20%);
$prussian-nights-dark: mix(#000, $prussian-nights, 20%);

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