#B25583

CSS

:root {
  --our-little-secret: #b25583;
  --our-little-secret-rgb: 178 85 131;
  --our-little-secret-oklch: oklch(0.578 0.132 351.1);
}

.element {
  color: var(--our-little-secret);
  background-color: hsl(330 38% 52%);
  border-color: oklch(0.578 0.132 351.1);
}

Tailwind CSS v4

@theme {
  --color-our-little-secret: #b25583;
  --color-our-little-secret-50: #ffe6f8;
  --color-our-little-secret-100: #ffd6ec;
  --color-our-little-secret-200: #ffbdd9;
  --color-our-little-secret-300: #ec9bbd;
  --color-our-little-secret-400: #d97ca8;
  --color-our-little-secret-500: #c55d91;
  --color-our-little-secret-600: #a64f7a;
  --color-our-little-secret-700: #863f62;
  --color-our-little-secret-800: #632d49;
  --color-our-little-secret-900: #451f33;
  --color-our-little-secret-950: #2d0e1f;
}

SCSS

$our-little-secret: #b25583;
$our-little-secret-rgb: 178, 85, 131;
$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);
}