#ED66D7

CSS

:root {
  --death-of-a-star: #ed66d7;
  --death-of-a-star-rgb: 237 102 215;
  --death-of-a-star-oklch: oklch(0.714 0.21 334.3);
}

.element {
  color: var(--death-of-a-star);
  background-color: hsl(310 79% 66%);
  border-color: oklch(0.714 0.21 334.3);
}

Tailwind CSS v4

@theme {
  --color-death-of-a-star: #ed66d7;
  --color-death-of-a-star-50: #ffdfff;
  --color-death-of-a-star-100: #ffcdff;
  --color-death-of-a-star-200: #ffb1f6;
  --color-death-of-a-star-300: #f98adf;
  --color-death-of-a-star-400: #e566d0;
  --color-death-of-a-star-500: #d23bbd;
  --color-death-of-a-star-600: #b234a0;
  --color-death-of-a-star-700: #8f2980;
  --color-death-of-a-star-800: #691d61;
  --color-death-of-a-star-900: #4a1344;
  --color-death-of-a-star-950: #30042c;
}

SCSS

$death-of-a-star: #ed66d7;
$death-of-a-star-rgb: 237, 102, 215;
$death-of-a-star-light: mix(#fff, $death-of-a-star, 20%);
$death-of-a-star-dark: mix(#000, $death-of-a-star, 20%);

.element {
  color: $death-of-a-star;
  box-shadow: 0 0 0 2px rgba($death-of-a-star, 0.35);
}