#8D6987

CSS

:root {
  --sunshone-plum: #8d6987;
  --sunshone-plum-rgb: 141 105 135;
  --sunshone-plum-oklch: oklch(0.567 0.063 332.2);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(310 15% 48%);
  border-color: oklch(0.567 0.063 332.2);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #8d6987;
  --color-sunshone-plum-50: #ffeffd;
  --color-sunshone-plum-100: #f6e0f1;
  --color-sunshone-plum-200: #e6cbdf;
  --color-sunshone-plum-300: #ccacc5;
  --color-sunshone-plum-400: #b591af;
  --color-sunshone-plum-500: #9f7799;
  --color-sunshone-plum-600: #876581;
  --color-sunshone-plum-700: #6c5067;
  --color-sunshone-plum-800: #4f3b4d;
  --color-sunshone-plum-900: #372835;
  --color-sunshone-plum-950: #221620;
}

SCSS

$sunshone-plum: #8d6987;
$sunshone-plum-rgb: 141, 105, 135;
$sunshone-plum-light: mix(#fff, $sunshone-plum, 20%);
$sunshone-plum-dark: mix(#000, $sunshone-plum, 20%);

.element {
  color: $sunshone-plum;
  box-shadow: 0 0 0 2px rgba($sunshone-plum, 0.35);
}