#7A6583

CSS

:root {
  --sunshone-plum: #7a6583;
  --sunshone-plum-rgb: 122 101 131;
  --sunshone-plum-oklch: oklch(0.538 0.052 315.7);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(282 13% 45%);
  border-color: oklch(0.538 0.052 315.7);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #7a6583;
  --color-sunshone-plum-50: #fcf1ff;
  --color-sunshone-plum-100: #efe3f4;
  --color-sunshone-plum-200: #decee3;
  --color-sunshone-plum-300: #c3afc9;
  --color-sunshone-plum-400: #ab95b4;
  --color-sunshone-plum-500: #947c9e;
  --color-sunshone-plum-600: #7d6986;
  --color-sunshone-plum-700: #64546b;
  --color-sunshone-plum-800: #493d4f;
  --color-sunshone-plum-900: #332a37;
  --color-sunshone-plum-950: #1e1822;
}

SCSS

$sunshone-plum: #7a6583;
$sunshone-plum-rgb: 122, 101, 131;
$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);
}