#916D97

CSS

:root {
  --sunshone-plum: #916d97;
  --sunshone-plum-rgb: 145 109 151;
  --sunshone-plum-oklch: oklch(0.585 0.075 321.6);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(291 17% 51%);
  border-color: oklch(0.585 0.075 321.6);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #916d97;
  --color-sunshone-plum-50: #ffeeff;
  --color-sunshone-plum-100: #f5e0f7;
  --color-sunshone-plum-200: #e5cae7;
  --color-sunshone-plum-300: #cbabce;
  --color-sunshone-plum-400: #b490ba;
  --color-sunshone-plum-500: #9e75a4;
  --color-sunshone-plum-600: #85648b;
  --color-sunshone-plum-700: #6b506f;
  --color-sunshone-plum-800: #4e3a53;
  --color-sunshone-plum-900: #36283a;
  --color-sunshone-plum-950: #211624;
}

SCSS

$sunshone-plum: #916d97;
$sunshone-plum-rgb: 145, 109, 151;
$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);
}