#626F6C

CSS

:root {
  --wrapped-in-twilight: #626f6c;
  --wrapped-in-twilight-rgb: 98 111 108;
  --wrapped-in-twilight-oklch: oklch(0.53 0.016 180.2);
}

.element {
  color: var(--wrapped-in-twilight);
  background-color: hsl(166 6% 41%);
  border-color: oklch(0.53 0.016 180.2);
}

Tailwind CSS v4

@theme {
  --color-wrapped-in-twilight: #626f6c;
  --color-wrapped-in-twilight-50: #f0f7f5;
  --color-wrapped-in-twilight-100: #e2eae8;
  --color-wrapped-in-twilight-200: #cdd7d5;
  --color-wrapped-in-twilight-300: #afbab8;
  --color-wrapped-in-twilight-400: #95a29f;
  --color-wrapped-in-twilight-500: #7b8a86;
  --color-wrapped-in-twilight-600: #687572;
  --color-wrapped-in-twilight-700: #535d5b;
  --color-wrapped-in-twilight-800: #3d4442;
  --color-wrapped-in-twilight-900: #2a2f2e;
  --color-wrapped-in-twilight-950: #171c1b;
}

SCSS

$wrapped-in-twilight: #626f6c;
$wrapped-in-twilight-rgb: 98, 111, 108;
$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);
}