#22102A

CSS

:root {
  --dark-prom-queen: #22102a;
  --dark-prom-queen-rgb: 34 16 42;
  --dark-prom-queen-oklch: oklch(0.213 0.055 314.6);
}

.element {
  color: var(--dark-prom-queen);
  background-color: hsl(282 45% 11%);
  border-color: oklch(0.213 0.055 314.6);
}

Tailwind CSS v4

@theme {
  --color-dark-prom-queen: #22102a;
  --color-dark-prom-queen-50: #fcf1ff;
  --color-dark-prom-queen-100: #efe3f4;
  --color-dark-prom-queen-200: #decee4;
  --color-dark-prom-queen-300: #c3afca;
  --color-dark-prom-queen-400: #ab95b5;
  --color-dark-prom-queen-500: #947ca0;
  --color-dark-prom-queen-600: #7d6987;
  --color-dark-prom-queen-700: #64546c;
  --color-dark-prom-queen-800: #493d50;
  --color-dark-prom-queen-900: #332a38;
  --color-dark-prom-queen-950: #1e1722;
}

SCSS

$dark-prom-queen: #22102a;
$dark-prom-queen-rgb: 34, 16, 42;
$dark-prom-queen-light: mix(#fff, $dark-prom-queen, 20%);
$dark-prom-queen-dark: mix(#000, $dark-prom-queen, 20%);

.element {
  color: $dark-prom-queen;
  box-shadow: 0 0 0 2px rgba($dark-prom-queen, 0.35);
}