#982180

CSS

:root {
  --haunted-purple: #982180;
  --haunted-purple-rgb: 152 33 128;
  --haunted-purple-oklch: oklch(0.478 0.183 337.8);
}

.element {
  color: var(--haunted-purple);
  background-color: hsl(312 64% 36%);
  border-color: oklch(0.478 0.183 337.8);
}

Tailwind CSS v4

@theme {
  --color-haunted-purple: #982180;
  --color-haunted-purple-50: #ffe1ff;
  --color-haunted-purple-100: #ffd1fb;
  --color-haunted-purple-200: #ffb5ed;
  --color-haunted-purple-300: #f490d5;
  --color-haunted-purple-400: #e06ec4;
  --color-haunted-purple-500: #cd49b0;
  --color-haunted-purple-600: #ad3f94;
  --color-haunted-purple-700: #8b3277;
  --color-haunted-purple-800: #67245a;
  --color-haunted-purple-900: #48183f;
  --color-haunted-purple-950: #2f0828;
}

SCSS

$haunted-purple: #982180;
$haunted-purple-rgb: 152, 33, 128;
$haunted-purple-light: mix(#fff, $haunted-purple, 20%);
$haunted-purple-dark: mix(#000, $haunted-purple, 20%);

.element {
  color: $haunted-purple;
  box-shadow: 0 0 0 2px rgba($haunted-purple, 0.35);
}