#8F6790

CSS

:root {
  --sunshone-plum: #8f6790;
  --sunshone-plum-rgb: 143 103 144;
  --sunshone-plum-oklch: oklch(0.569 0.078 325.7);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(299 17% 48%);
  border-color: oklch(0.569 0.078 325.7);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #8f6790;
  --color-sunshone-plum-50: #ffeeff;
  --color-sunshone-plum-100: #f7dff5;
  --color-sunshone-plum-200: #e7c9e5;
  --color-sunshone-plum-300: #ceaacc;
  --color-sunshone-plum-400: #b78fb7;
  --color-sunshone-plum-500: #a174a2;
  --color-sunshone-plum-600: #886289;
  --color-sunshone-plum-700: #6d4f6e;
  --color-sunshone-plum-800: #503952;
  --color-sunshone-plum-900: #382739;
  --color-sunshone-plum-950: #221523;
}

SCSS

$sunshone-plum: #8f6790;
$sunshone-plum-rgb: 143, 103, 144;
$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);
}