Spitsbergen Blue

CSS

:root {
  --spitsbergen-blue: #6f757d;
  --spitsbergen-blue-rgb: 111 117 125;
  --spitsbergen-blue-oklch: oklch(0.56 0.014 255.6);
}

.element {
  color: var(--spitsbergen-blue);
  background-color: hsl(214 6% 46%);
  border-color: oklch(0.56 0.014 255.6);
}

Tailwind CSS v4

@theme {
  --color-spitsbergen-blue: #6f757d;
  --color-spitsbergen-blue-50: #f3f5f9;
  --color-spitsbergen-blue-100: #e5e8ed;
  --color-spitsbergen-blue-200: #d0d4da;
  --color-spitsbergen-blue-300: #b3b8bf;
  --color-spitsbergen-blue-400: #999fa7;
  --color-spitsbergen-blue-500: #808790;
  --color-spitsbergen-blue-600: #6c727a;
  --color-spitsbergen-blue-700: #575b61;
  --color-spitsbergen-blue-800: #3f4347;
  --color-spitsbergen-blue-900: #2b2e31;
  --color-spitsbergen-blue-950: #191b1d;
}

SCSS

$spitsbergen-blue: #6f757d;
$spitsbergen-blue-rgb: 111, 117, 125;
$spitsbergen-blue-light: mix(#fff, $spitsbergen-blue, 20%);
$spitsbergen-blue-dark: mix(#000, $spitsbergen-blue, 20%);

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