#2A092F

CSS

:root {
  --dark-prom-queen: #2a092f;
  --dark-prom-queen-rgb: 42 9 47;
  --dark-prom-queen-oklch: oklch(0.218 0.079 322.2);
}

.element {
  color: var(--dark-prom-queen);
  background-color: hsl(292 68% 11%);
  border-color: oklch(0.218 0.079 322.2);
}

Tailwind CSS v4

@theme {
  --color-dark-prom-queen: #2a092f;
  --color-dark-prom-queen-50: #ffeeff;
  --color-dark-prom-queen-100: #f6dff7;
  --color-dark-prom-queen-200: #e6c9e8;
  --color-dark-prom-queen-300: #ccaacf;
  --color-dark-prom-queen-400: #b58fba;
  --color-dark-prom-queen-500: #9f74a5;
  --color-dark-prom-queen-600: #86638c;
  --color-dark-prom-queen-700: #6c4f70;
  --color-dark-prom-queen-800: #4f3953;
  --color-dark-prom-queen-900: #37273a;
  --color-dark-prom-queen-950: #221524;
}

SCSS

$dark-prom-queen: #2a092f;
$dark-prom-queen-rgb: 42, 9, 47;
$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);
}