#C84470

CSS

:root {
  --dark-pink: #c84470;
  --dark-pink-rgb: 200 68 112;
  --dark-pink-oklch: oklch(0.582 0.171 3.6);
}

.element {
  color: var(--dark-pink);
  background-color: hsl(340 55% 53%);
  border-color: oklch(0.582 0.171 3.6);
}

Tailwind CSS v4

@theme {
  --color-dark-pink: #c84470;
  --color-dark-pink-50: #ffe2ee;
  --color-dark-pink-100: #ffd1df;
  --color-dark-pink-200: #ffb5ca;
  --color-dark-pink-300: #ff90ab;
  --color-dark-pink-400: #ee6d93;
  --color-dark-pink-500: #dc477a;
  --color-dark-pink-600: #ba3e67;
  --color-dark-pink-700: #953152;
  --color-dark-pink-800: #6f223e;
  --color-dark-pink-900: #4e172b;
  --color-dark-pink-950: #330718;
}

SCSS

$dark-pink: #c84470;
$dark-pink-rgb: 200, 68, 112;
$dark-pink-light: mix(#fff, $dark-pink, 20%);
$dark-pink-dark: mix(#000, $dark-pink, 20%);

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