#597075

CSS

:root {
  --wrapped-in-twilight: #597075;
  --wrapped-in-twilight-rgb: 89 112 117;
  --wrapped-in-twilight-oklch: oklch(0.529 0.028 212.4);
}

.element {
  color: var(--wrapped-in-twilight);
  background-color: hsl(191 14% 40%);
  border-color: oklch(0.529 0.028 212.4);
}

Tailwind CSS v4

@theme {
  --color-wrapped-in-twilight: #597075;
  --color-wrapped-in-twilight-50: #edf7fa;
  --color-wrapped-in-twilight-100: #deeaee;
  --color-wrapped-in-twilight-200: #c7d8dc;
  --color-wrapped-in-twilight-300: #a8bbc0;
  --color-wrapped-in-twilight-400: #8ca3a8;
  --color-wrapped-in-twilight-500: #718b91;
  --color-wrapped-in-twilight-600: #60767b;
  --color-wrapped-in-twilight-700: #4d5e62;
  --color-wrapped-in-twilight-800: #374548;
  --color-wrapped-in-twilight-900: #263032;
  --color-wrapped-in-twilight-950: #141c1e;
}

SCSS

$wrapped-in-twilight: #597075;
$wrapped-in-twilight-rgb: 89, 112, 117;
$wrapped-in-twilight-light: mix(#fff, $wrapped-in-twilight, 20%);
$wrapped-in-twilight-dark: mix(#000, $wrapped-in-twilight, 20%);

.element {
  color: $wrapped-in-twilight;
  box-shadow: 0 0 0 2px rgba($wrapped-in-twilight, 0.35);
}