#876E90

CSS

:root {
  --sunshone-plum: #876e90;
  --sunshone-plum-rgb: 135 110 144;
  --sunshone-plum-oklch: oklch(0.574 0.059 317);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(284 13% 50%);
  border-color: oklch(0.574 0.059 317);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #876e90;
  --color-sunshone-plum-50: #fdf0ff;
  --color-sunshone-plum-100: #f1e2f5;
  --color-sunshone-plum-200: #e0cde5;
  --color-sunshone-plum-300: #c5aecb;
  --color-sunshone-plum-400: #ad94b6;
  --color-sunshone-plum-500: #967aa0;
  --color-sunshone-plum-600: #7f6888;
  --color-sunshone-plum-700: #66536d;
  --color-sunshone-plum-800: #4a3c51;
  --color-sunshone-plum-900: #332938;
  --color-sunshone-plum-950: #1f1723;
}

SCSS

$sunshone-plum: #876e90;
$sunshone-plum-rgb: 135, 110, 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);
}