#597071

CSS

:root {
  --wrapped-in-twilight: #597071;
  --wrapped-in-twilight-rgb: 89 112 113;
  --wrapped-in-twilight-oklch: oklch(0.527 0.027 199.6);
}

.element {
  color: var(--wrapped-in-twilight);
  background-color: hsl(183 12% 40%);
  border-color: oklch(0.527 0.027 199.6);
}

Tailwind CSS v4

@theme {
  --color-wrapped-in-twilight: #597071;
  --color-wrapped-in-twilight-50: #edf8f8;
  --color-wrapped-in-twilight-100: #deebec;
  --color-wrapped-in-twilight-200: #c8d8d9;
  --color-wrapped-in-twilight-300: #a8bcbd;
  --color-wrapped-in-twilight-400: #8da4a5;
  --color-wrapped-in-twilight-500: #728c8d;
  --color-wrapped-in-twilight-600: #607677;
  --color-wrapped-in-twilight-700: #4d5f5f;
  --color-wrapped-in-twilight-800: #384546;
  --color-wrapped-in-twilight-900: #263030;
  --color-wrapped-in-twilight-950: #141c1c;
}

SCSS

$wrapped-in-twilight: #597071;
$wrapped-in-twilight-rgb: 89, 112, 113;
$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);
}