Battle Blue

CSS

:root {
  --battle-blue: #74828f;
  --battle-blue-rgb: 116 130 143;
  --battle-blue-oklch: oklch(0.6 0.026 246.3);
}

.element {
  color: var(--battle-blue);
  background-color: hsl(209 11% 51%);
  border-color: oklch(0.6 0.026 246.3);
}

Tailwind CSS v4

@theme {
  --color-battle-blue: #74828f;
  --color-battle-blue-50: #f0f6fc;
  --color-battle-blue-100: #e1e9f0;
  --color-battle-blue-200: #ccd5df;
  --color-battle-blue-300: #adb9c4;
  --color-battle-blue-400: #93a0ad;
  --color-battle-blue-500: #798897;
  --color-battle-blue-600: #66737f;
  --color-battle-blue-700: #525c66;
  --color-battle-blue-800: #3b444b;
  --color-battle-blue-900: #292f34;
  --color-battle-blue-950: #161b1f;
}

SCSS

$battle-blue: #74828f;
$battle-blue-rgb: 116, 130, 143;
$battle-blue-light: mix(#fff, $battle-blue, 20%);
$battle-blue-dark: mix(#000, $battle-blue, 20%);

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