Noble Blue

CSS

:root {
  --noble-blue: #697991;
  --noble-blue-rgb: 105 121 145;
  --noble-blue-oklch: oklch(0.572 0.042 258.4);
}

.element {
  color: var(--noble-blue);
  background-color: hsl(216 16% 49%);
  border-color: oklch(0.572 0.042 258.4);
}

Tailwind CSS v4

@theme {
  --color-noble-blue: #697991;
  --color-noble-blue-50: #eef6ff;
  --color-noble-blue-100: #e0e8f6;
  --color-noble-blue-200: #cad5e7;
  --color-noble-blue-300: #abb8cd;
  --color-noble-blue-400: #90a0b8;
  --color-noble-blue-500: #7587a2;
  --color-noble-blue-600: #647389;
  --color-noble-blue-700: #4f5c6e;
  --color-noble-blue-800: #394351;
  --color-noble-blue-900: #272e38;
  --color-noble-blue-950: #151b23;
}

SCSS

$noble-blue: #697991;
$noble-blue-rgb: 105, 121, 145;
$noble-blue-light: mix(#fff, $noble-blue, 20%);
$noble-blue-dark: mix(#000, $noble-blue, 20%);

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