Blustery Sky

CSS

:root {
  --blustery-sky: #6f848c;
  --blustery-sky-rgb: 111 132 140;
  --blustery-sky-oklch: oklch(0.599 0.027 222.9);
}

.element {
  color: var(--blustery-sky);
  background-color: hsl(197 12% 49%);
  border-color: oklch(0.599 0.027 222.9);
}

Tailwind CSS v4

@theme {
  --color-blustery-sky: #6f848c;
  --color-blustery-sky-50: #edf7fb;
  --color-blustery-sky-100: #dfeaef;
  --color-blustery-sky-200: #c9d7dd;
  --color-blustery-sky-300: #a9bbc2;
  --color-blustery-sky-400: #8ea2aa;
  --color-blustery-sky-500: #738b93;
  --color-blustery-sky-600: #62757d;
  --color-blustery-sky-700: #4e5e64;
  --color-blustery-sky-800: #384549;
  --color-blustery-sky-900: #273033;
  --color-blustery-sky-950: #151c1e;
}

SCSS

$blustery-sky: #6f848c;
$blustery-sky-rgb: 111, 132, 140;
$blustery-sky-light: mix(#fff, $blustery-sky, 20%);
$blustery-sky-dark: mix(#000, $blustery-sky, 20%);

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