#D33D6A

CSS

:root {
  --dark-pink: #d33d6a;
  --dark-pink-rgb: 211 61 106;
  --dark-pink-oklch: oklch(0.591 0.188 7.1);
}

.element {
  color: var(--dark-pink);
  background-color: hsl(342 63% 53%);
  border-color: oklch(0.591 0.188 7.1);
}

Tailwind CSS v4

@theme {
  --color-dark-pink: #d33d6a;
  --color-dark-pink-50: #ffe0ea;
  --color-dark-pink-100: #ffcedb;
  --color-dark-pink-200: #ffb2c3;
  --color-dark-pink-300: #ff8ba3;
  --color-dark-pink-400: #f6668b;
  --color-dark-pink-500: #e43b70;
  --color-dark-pink-600: #c1345f;
  --color-dark-pink-700: #9b2a4c;
  --color-dark-pink-800: #731c39;
  --color-dark-pink-900: #521327;
  --color-dark-pink-950: #360415;
}

SCSS

$dark-pink: #d33d6a;
$dark-pink-rgb: 211, 61, 106;
$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);
}