NATO Blue

CSS

:root {
  --nato-blue: #153043;
  --nato-blue-rgb: 21 48 67;
  --nato-blue-oklch: oklch(0.298 0.048 241.5);
}

.element {
  color: var(--nato-blue);
  background-color: hsl(205 52% 17%);
  border-color: oklch(0.298 0.048 241.5);
}

Tailwind CSS v4

@theme {
  --color-nato-blue: #153043;
  --color-nato-blue-50: #eaf7ff;
  --color-nato-blue-100: #dbeaf7;
  --color-nato-blue-200: #c4d7e8;
  --color-nato-blue-300: #a3bbcf;
  --color-nato-blue-400: #86a3b9;
  --color-nato-blue-500: #6a8ba3;
  --color-nato-blue-600: #5a758a;
  --color-nato-blue-700: #485e6f;
  --color-nato-blue-800: #334551;
  --color-nato-blue-900: #233039;
  --color-nato-blue-950: #121c23;
}

SCSS

$nato-blue: #153043;
$nato-blue-rgb: 21, 48, 67;
$nato-blue-light: mix(#fff, $nato-blue, 20%);
$nato-blue-dark: mix(#000, $nato-blue, 20%);

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