#956B77

CSS

:root {
  --never-forget: #956b77;
  --never-forget-rgb: 149 107 119;
  --never-forget-oklch: oklch(0.574 0.056 0.2);
}

.element {
  color: var(--never-forget);
  background-color: hsl(343 17% 50%);
  border-color: oklch(0.574 0.056 0.2);
}

Tailwind CSS v4

@theme {
  --color-never-forget: #956b77;
  --color-never-forget-50: #ffeff4;
  --color-never-forget-100: #f9e1e6;
  --color-never-forget-200: #eacbd2;
  --color-never-forget-300: #d1acb5;
  --color-never-forget-400: #bb919d;
  --color-never-forget-500: #a67784;
  --color-never-forget-600: #8c6570;
  --color-never-forget-700: #70505a;
  --color-never-forget-800: #533a42;
  --color-never-forget-900: #3a282e;
  --color-never-forget-950: #24161a;
}

SCSS

$never-forget: #956b77;
$never-forget-rgb: 149, 107, 119;
$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);
}