#BE1DE6

CSS

:root {
  --promiscuous-pink: #be1de6;
  --promiscuous-pink-rgb: 190 29 230;
  --promiscuous-pink-oklch: oklch(0.597 0.276 317.8);
}

.element {
  color: var(--promiscuous-pink);
  background-color: hsl(288 80% 51%);
  border-color: oklch(0.597 0.276 317.8);
}

Tailwind CSS v4

@theme {
  --color-promiscuous-pink: #be1de6;
  --color-promiscuous-pink-50: #ffdcff;
  --color-promiscuous-pink-100: #ffc9ff;
  --color-promiscuous-pink-200: #ffabff;
  --color-promiscuous-pink-300: #f380ff;
  --color-promiscuous-pink-400: #de55ff;
  --color-promiscuous-pink-500: #cb00f8;
  --color-promiscuous-pink-600: #ac0cd1;
  --color-promiscuous-pink-700: #8a0da8;
  --color-promiscuous-pink-800: #650880;
  --color-promiscuous-pink-900: #47075b;
  --color-promiscuous-pink-950: #2e003e;
}

SCSS

$promiscuous-pink: #be1de6;
$promiscuous-pink-rgb: 190, 29, 230;
$promiscuous-pink-light: mix(#fff, $promiscuous-pink, 20%);
$promiscuous-pink-dark: mix(#000, $promiscuous-pink, 20%);

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