Church Blue

CSS

:root {
  --church-blue: #3d4161;
  --church-blue-rgb: 61 65 97;
  --church-blue-oklch: oklch(0.386 0.055 278);
}

.element {
  color: var(--church-blue);
  background-color: hsl(233 23% 31%);
  border-color: oklch(0.386 0.055 278);
}

Tailwind CSS v4

@theme {
  --color-church-blue: #3d4161;
  --color-church-blue-50: #f2f4ff;
  --color-church-blue-100: #e4e6fa;
  --color-church-blue-200: #cfd2ec;
  --color-church-blue-300: #b1b5d4;
  --color-church-blue-400: #969cbf;
  --color-church-blue-500: #7d83ab;
  --color-church-blue-600: #6a6f90;
  --color-church-blue-700: #555974;
  --color-church-blue-800: #3d4156;
  --color-church-blue-900: #2a2d3c;
  --color-church-blue-950: #181a25;
}

SCSS

$church-blue: #3d4161;
$church-blue-rgb: 61, 65, 97;
$church-blue-light: mix(#fff, $church-blue, 20%);
$church-blue-dark: mix(#000, $church-blue, 20%);

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