#7F6380

CSS

:root {
  --sunshone-plum: #7f6380;
  --sunshone-plum-rgb: 127 99 128;
  --sunshone-plum-oklch: oklch(0.538 0.056 325.2);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(298 13% 45%);
  border-color: oklch(0.538 0.056 325.2);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #7f6380;
  --color-sunshone-plum-50: #fef0fe;
  --color-sunshone-plum-100: #f3e2f2;
  --color-sunshone-plum-200: #e2cce1;
  --color-sunshone-plum-300: #c7aec6;
  --color-sunshone-plum-400: #b094b1;
  --color-sunshone-plum-500: #9a7a9b;
  --color-sunshone-plum-600: #826783;
  --color-sunshone-plum-700: #685269;
  --color-sunshone-plum-800: #4c3c4e;
  --color-sunshone-plum-900: #352936;
  --color-sunshone-plum-950: #201721;
}

SCSS

$sunshone-plum: #7f6380;
$sunshone-plum-rgb: 127, 99, 128;
$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);
}