#C64C6F

CSS

:root {
  --dark-pink: #c64c6f;
  --dark-pink-rgb: 198 76 111;
  --dark-pink-oklch: oklch(0.588 0.158 5.6);
}

.element {
  color: var(--dark-pink);
  background-color: hsl(343 52% 54%);
  border-color: oklch(0.588 0.158 5.6);
}

Tailwind CSS v4

@theme {
  --color-dark-pink: #c64c6f;
  --color-dark-pink-50: #ffe3ed;
  --color-dark-pink-100: #ffd3de;
  --color-dark-pink-200: #ffb8c8;
  --color-dark-pink-300: #fc94a8;
  --color-dark-pink-400: #ea7291;
  --color-dark-pink-500: #d74f77;
  --color-dark-pink-600: #b64465;
  --color-dark-pink-700: #923650;
  --color-dark-pink-800: #6d263c;
  --color-dark-pink-900: #4d1929;
  --color-dark-pink-950: #320917;
}

SCSS

$dark-pink: #c64c6f;
$dark-pink-rgb: 198, 76, 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);
}