#A94E72

CSS

:root {
  --our-little-secret: #a94e72;
  --our-little-secret-rgb: 169 78 114;
  --our-little-secret-oklch: oklch(0.549 0.126 357.2);
}

.element {
  color: var(--our-little-secret);
  background-color: hsl(336 37% 48%);
  border-color: oklch(0.549 0.126 357.2);
}

Tailwind CSS v4

@theme {
  --color-our-little-secret: #a94e72;
  --color-our-little-secret-50: #ffe7f4;
  --color-our-little-secret-100: #ffd7e7;
  --color-our-little-secret-200: #ffbed3;
  --color-our-little-secret-300: #ed9cb6;
  --color-our-little-secret-400: #d97e9f;
  --color-our-little-secret-500: #c65f87;
  --color-our-little-secret-600: #a75172;
  --color-our-little-secret-700: #86405b;
  --color-our-little-secret-800: #632e44;
  --color-our-little-secret-900: #461f2f;
  --color-our-little-secret-950: #2d0e1c;
}

SCSS

$our-little-secret: #a94e72;
$our-little-secret-rgb: 169, 78, 114;
$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);
}