#7D6385

CSS

:root {
  --sunshone-plum: #7d6385;
  --sunshone-plum-rgb: 125 99 133;
  --sunshone-plum-oklch: oklch(0.538 0.06 318.1);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(286 15% 45%);
  border-color: oklch(0.538 0.06 318.1);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #7d6385;
  --color-sunshone-plum-50: #fdf0ff;
  --color-sunshone-plum-100: #f1e2f5;
  --color-sunshone-plum-200: #e0cce5;
  --color-sunshone-plum-300: #c6aecb;
  --color-sunshone-plum-400: #ae94b6;
  --color-sunshone-plum-500: #977aa0;
  --color-sunshone-plum-600: #806788;
  --color-sunshone-plum-700: #66526d;
  --color-sunshone-plum-800: #4b3c51;
  --color-sunshone-plum-900: #342938;
  --color-sunshone-plum-950: #1f1723;
}

SCSS

$sunshone-plum: #7d6385;
$sunshone-plum-rgb: 125, 99, 133;
$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);
}