Dark Tyrian Blue

CSS

:root {
  --dark-tyrian-blue: #0d2b52;
  --dark-tyrian-blue-rgb: 13 43 82;
  --dark-tyrian-blue-oklch: oklch(0.291 0.079 256.4);
}

.element {
  color: var(--dark-tyrian-blue);
  background-color: hsl(214 73% 19%);
  border-color: oklch(0.291 0.079 256.4);
}

Tailwind CSS v4

@theme {
  --color-dark-tyrian-blue: #0d2b52;
  --color-dark-tyrian-blue-50: #e8f6ff;
  --color-dark-tyrian-blue-100: #d8e9ff;
  --color-dark-tyrian-blue-200: #c0d6f7;
  --color-dark-tyrian-blue-300: #9fb9e1;
  --color-dark-tyrian-blue-400: #80a1cd;
  --color-dark-tyrian-blue-500: #6388ba;
  --color-dark-tyrian-blue-600: #54739d;
  --color-dark-tyrian-blue-700: #435c7e;
  --color-dark-tyrian-blue-800: #2f445e;
  --color-dark-tyrian-blue-900: #202f42;
  --color-dark-tyrian-blue-950: #0f1b2a;
}

SCSS

$dark-tyrian-blue: #0d2b52;
$dark-tyrian-blue-rgb: 13, 43, 82;
$dark-tyrian-blue-light: mix(#fff, $dark-tyrian-blue, 20%);
$dark-tyrian-blue-dark: mix(#000, $dark-tyrian-blue, 20%);

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