#AE5880

CSS

:root {
  --our-little-secret: #ae5880;
  --our-little-secret-rgb: 174 88 128;
  --our-little-secret-oklch: oklch(0.576 0.121 352.3);
}

.element {
  color: var(--our-little-secret);
  background-color: hsl(332 35% 51%);
  border-color: oklch(0.576 0.121 352.3);
}

Tailwind CSS v4

@theme {
  --color-our-little-secret: #ae5880;
  --color-our-little-secret-50: #ffe8f7;
  --color-our-little-secret-100: #ffd8ea;
  --color-our-little-secret-200: #ffbfd7;
  --color-our-little-secret-300: #e99dbb;
  --color-our-little-secret-400: #d57fa5;
  --color-our-little-secret-500: #c1618e;
  --color-our-little-secret-600: #a35378;
  --color-our-little-secret-700: #834260;
  --color-our-little-secret-800: #612f48;
  --color-our-little-secret-900: #442032;
  --color-our-little-secret-950: #2c0f1e;
}

SCSS

$our-little-secret: #ae5880;
$our-little-secret-rgb: 174, 88, 128;
$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);
}