Dark & Stormy

CSS

:root {
  --dark-stormy: #353f51;
  --dark-stormy-rgb: 53 63 81;
  --dark-stormy-oklch: oklch(0.366 0.034 262.1);
}

.element {
  color: var(--dark-stormy);
  background-color: hsl(219 21% 26%);
  border-color: oklch(0.366 0.034 262.1);
}

Tailwind CSS v4

@theme {
  --color-dark-stormy: #353f51;
  --color-dark-stormy-50: #f0f5ff;
  --color-dark-stormy-100: #e2e8f4;
  --color-dark-stormy-200: #cdd4e3;
  --color-dark-stormy-300: #afb8c9;
  --color-dark-stormy-400: #949fb3;
  --color-dark-stormy-500: #7a879d;
  --color-dark-stormy-600: #677285;
  --color-dark-stormy-700: #535b6a;
  --color-dark-stormy-800: #3c434e;
  --color-dark-stormy-900: #292e37;
  --color-dark-stormy-950: #171b21;
}

SCSS

$dark-stormy: #353f51;
$dark-stormy-rgb: 53, 63, 81;
$dark-stormy-light: mix(#fff, $dark-stormy, 20%);
$dark-stormy-dark: mix(#000, $dark-stormy, 20%);

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