#AD9594

CSS

:root {
  --sphinx: #ad9594;
  --sphinx-rgb: 173 149 148;
  --sphinx-oklch: oklch(0.691 0.029 20.7);
}

.element {
  color: var(--sphinx);
  background-color: hsl(2 13% 63%);
  border-color: oklch(0.691 0.029 20.7);
}

Tailwind CSS v4

@theme {
  --color-sphinx: #ad9594;
  --color-sphinx-50: #fdf2f1;
  --color-sphinx-100: #f1e4e3;
  --color-sphinx-200: #e0d0ce;
  --color-sphinx-300: #c6b2b1;
  --color-sphinx-400: #af9897;
  --color-sphinx-500: #997f7e;
  --color-sphinx-600: #816c6b;
  --color-sphinx-700: #675655;
  --color-sphinx-800: #4c3f3e;
  --color-sphinx-900: #352b2b;
  --color-sphinx-950: #201818;
}

SCSS

$sphinx: #ad9594;
$sphinx-rgb: 173, 149, 148;
$sphinx-light: mix(#fff, $sphinx, 20%);
$sphinx-dark: mix(#000, $sphinx, 20%);

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