#A67B90

CSS

:root {
  --never-forget: #a67b90;
  --never-forget-rgb: 166 123 144;
  --never-forget-oklch: oklch(0.632 0.061 348.1);
}

.element {
  color: var(--never-forget);
  background-color: hsl(331 19% 57%);
  border-color: oklch(0.632 0.061 348.1);
}

Tailwind CSS v4

@theme {
  --color-never-forget: #a67b90;
  --color-never-forget-50: #ffeef7;
  --color-never-forget-100: #f9e0eb;
  --color-never-forget-200: #eacad8;
  --color-never-forget-300: #d1abbc;
  --color-never-forget-400: #ba90a5;
  --color-never-forget-500: #a5768d;
  --color-never-forget-600: #8b6477;
  --color-never-forget-700: #705060;
  --color-never-forget-800: #523a47;
  --color-never-forget-900: #392831;
  --color-never-forget-950: #23161d;
}

SCSS

$never-forget: #a67b90;
$never-forget-rgb: 166, 123, 144;
$never-forget-light: mix(#fff, $never-forget, 20%);
$never-forget-dark: mix(#000, $never-forget, 20%);

.element {
  color: $never-forget;
  box-shadow: 0 0 0 2px rgba($never-forget, 0.35);
}