#C64670

CSS

:root {
  --dark-pink: #c64670;
  --dark-pink-rgb: 198 70 112;
  --dark-pink-oklch: oklch(0.581 0.166 3.6);
}

.element {
  color: var(--dark-pink);
  background-color: hsl(340 53% 53%);
  border-color: oklch(0.581 0.166 3.6);
}

Tailwind CSS v4

@theme {
  --color-dark-pink: #c64670;
  --color-dark-pink-50: #ffe2ee;
  --color-dark-pink-100: #ffd1e0;
  --color-dark-pink-200: #ffb6ca;
  --color-dark-pink-300: #fe92ab;
  --color-dark-pink-400: #ec6f94;
  --color-dark-pink-500: #da4a7a;
  --color-dark-pink-600: #b84067;
  --color-dark-pink-700: #943353;
  --color-dark-pink-800: #6e243e;
  --color-dark-pink-900: #4d182b;
  --color-dark-pink-950: #330818;
}

SCSS

$dark-pink: #c64670;
$dark-pink-rgb: 198, 70, 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);
}