#B09498

CSS

:root {
  --sphinx: #b09498;
  --sphinx-rgb: 176 148 152;
  --sphinx-oklch: oklch(0.693 0.034 8.3);
}

.element {
  color: var(--sphinx);
  background-color: hsl(351 15% 64%);
  border-color: oklch(0.693 0.034 8.3);
}

Tailwind CSS v4

@theme {
  --color-sphinx: #b09498;
  --color-sphinx-50: #fff1f3;
  --color-sphinx-100: #f3e3e5;
  --color-sphinx-200: #e2cfd1;
  --color-sphinx-300: #c8b1b3;
  --color-sphinx-400: #b1979a;
  --color-sphinx-500: #9b7d82;
  --color-sphinx-600: #836a6e;
  --color-sphinx-700: #695558;
  --color-sphinx-800: #4d3e40;
  --color-sphinx-900: #362a2c;
  --color-sphinx-950: #211819;
}

SCSS

$sphinx: #b09498;
$sphinx-rgb: 176, 148, 152;
$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);
}