Blue Vault

CSS

:root {
  --blue-vault: #4e83bd;
  --blue-vault-rgb: 78 131 189;
  --blue-vault-oklch: oklch(0.599 0.106 251.9);
}

.element {
  color: var(--blue-vault);
  background-color: hsl(211 46% 52%);
  border-color: oklch(0.599 0.106 251.9);
}

Tailwind CSS v4

@theme {
  --color-blue-vault: #4e83bd;
  --color-blue-vault-50: #e1f8ff;
  --color-blue-vault-100: #d0ebff;
  --color-blue-vault-200: #b6d7ff;
  --color-blue-vault-300: #92bbed;
  --color-blue-vault-400: #6fa2db;
  --color-blue-vault-500: #4e89ca;
  --color-blue-vault-600: #4374aa;
  --color-blue-vault-700: #355d89;
  --color-blue-vault-800: #234565;
  --color-blue-vault-900: #182f47;
  --color-blue-vault-950: #081c2f;
}

SCSS

$blue-vault: #4e83bd;
$blue-vault-rgb: 78, 131, 189;
$blue-vault-light: mix(#fff, $blue-vault, 20%);
$blue-vault-dark: mix(#000, $blue-vault, 20%);

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