#C34E6F

CSS

:root {
  --dark-pink: #c34e6f;
  --dark-pink-rgb: 195 78 111;
  --dark-pink-oklch: oklch(0.586 0.152 5.5);
}

.element {
  color: var(--dark-pink);
  background-color: hsl(343 49% 54%);
  border-color: oklch(0.586 0.152 5.5);
}

Tailwind CSS v4

@theme {
  --color-dark-pink: #c34e6f;
  --color-dark-pink-50: #ffe4ed;
  --color-dark-pink-100: #ffd3df;
  --color-dark-pink-200: #ffb9c8;
  --color-dark-pink-300: #f995a9;
  --color-dark-pink-400: #e77491;
  --color-dark-pink-500: #d55277;
  --color-dark-pink-600: #b44665;
  --color-dark-pink-700: #903851;
  --color-dark-pink-800: #6b273d;
  --color-dark-pink-900: #4c1a2a;
  --color-dark-pink-950: #310a17;
}

SCSS

$dark-pink: #c34e6f;
$dark-pink-rgb: 195, 78, 111;
$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);
}