#5F6F73

CSS

:root {
  --wrapped-in-twilight: #5f6f73;
  --wrapped-in-twilight-rgb: 95 111 115;
  --wrapped-in-twilight-oklch: oklch(0.53 0.02 214.5);
}

.element {
  color: var(--wrapped-in-twilight);
  background-color: hsl(192 10% 41%);
  border-color: oklch(0.53 0.02 214.5);
}

Tailwind CSS v4

@theme {
  --color-wrapped-in-twilight: #5f6f73;
  --color-wrapped-in-twilight-50: #eff7f9;
  --color-wrapped-in-twilight-100: #e1eaec;
  --color-wrapped-in-twilight-200: #cbd7da;
  --color-wrapped-in-twilight-300: #acbabe;
  --color-wrapped-in-twilight-400: #92a2a6;
  --color-wrapped-in-twilight-500: #788a8e;
  --color-wrapped-in-twilight-600: #657579;
  --color-wrapped-in-twilight-700: #515d60;
  --color-wrapped-in-twilight-800: #3b4446;
  --color-wrapped-in-twilight-900: #282f31;
  --color-wrapped-in-twilight-950: #161c1d;
}

SCSS

$wrapped-in-twilight: #5f6f73;
$wrapped-in-twilight-rgb: 95, 111, 115;
$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);
}