#A74D7E

CSS

:root {
  --our-little-secret: #a74d7e;
  --our-little-secret-rgb: 167 77 126;
  --our-little-secret-oklch: oklch(0.549 0.131 348.5);
}

.element {
  color: var(--our-little-secret);
  background-color: hsl(327 37% 48%);
  border-color: oklch(0.549 0.131 348.5);
}

Tailwind CSS v4

@theme {
  --color-our-little-secret: #a74d7e;
  --color-our-little-secret-50: #ffe6fa;
  --color-our-little-secret-100: #ffd7ee;
  --color-our-little-secret-200: #ffbedc;
  --color-our-little-secret-300: #eb9bc0;
  --color-our-little-secret-400: #d77dab;
  --color-our-little-secret-500: #c35d95;
  --color-our-little-secret-600: #a5507e;
  --color-our-little-secret-700: #854065;
  --color-our-little-secret-800: #622e4c;
  --color-our-little-secret-900: #451f34;
  --color-our-little-secret-950: #2c0e20;
}

SCSS

$our-little-secret: #a74d7e;
$our-little-secret-rgb: 167, 77, 126;
$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);
}