#B24B7C

CSS

:root {
  --our-little-secret: #b24b7c;
  --our-little-secret-rgb: 178 75 124;
  --our-little-secret-oklch: oklch(0.561 0.144 353);
}

.element {
  color: var(--our-little-secret);
  background-color: hsl(331 41% 50%);
  border-color: oklch(0.561 0.144 353);
}

Tailwind CSS v4

@theme {
  --color-our-little-secret: #b24b7c;
  --color-our-little-secret-50: #ffe5f7;
  --color-our-little-secret-100: #ffd5ea;
  --color-our-little-secret-200: #ffbbd7;
  --color-our-little-secret-300: #f298bb;
  --color-our-little-secret-400: #de78a6;
  --color-our-little-secret-500: #cb578e;
  --color-our-little-secret-600: #ac4b78;
  --color-our-little-secret-700: #8a3b60;
  --color-our-little-secret-800: #662a48;
  --color-our-little-secret-900: #481c32;
  --color-our-little-secret-950: #2f0c1e;
}

SCSS

$our-little-secret: #b24b7c;
$our-little-secret-rgb: 178, 75, 124;
$our-little-secret-light: mix(#fff, $our-little-secret, 20%);
$our-little-secret-dark: mix(#000, $our-little-secret, 20%);

.element {
  color: $our-little-secret;
  box-shadow: 0 0 0 2px rgba($our-little-secret, 0.35);
}