#876E8C

CSS

:root {
  --sunshone-plum: #876e8c;
  --sunshone-plum-rgb: 135 110 140;
  --sunshone-plum-oklch: oklch(0.573 0.054 320.7);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(290 12% 49%);
  border-color: oklch(0.573 0.054 320.7);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #876e8c;
  --color-sunshone-plum-50: #fdf0fe;
  --color-sunshone-plum-100: #f1e2f3;
  --color-sunshone-plum-200: #e0cde2;
  --color-sunshone-plum-300: #c5afc8;
  --color-sunshone-plum-400: #ad94b2;
  --color-sunshone-plum-500: #977b9c;
  --color-sunshone-plum-600: #806884;
  --color-sunshone-plum-700: #66536a;
  --color-sunshone-plum-800: #4b3d4f;
  --color-sunshone-plum-900: #342a37;
  --color-sunshone-plum-950: #1f1721;
}

SCSS

$sunshone-plum: #876e8c;
$sunshone-plum-rgb: 135, 110, 140;
$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);
}