#467377

CSS

:root {
  --ocean-slumber: #467377;
  --ocean-slumber-rgb: 70 115 119;
  --ocean-slumber-oklch: oklch(0.525 0.05 203);
}

.element {
  color: var(--ocean-slumber);
  background-color: hsl(185 26% 37%);
  border-color: oklch(0.525 0.05 203);
}

Tailwind CSS v4

@theme {
  --color-ocean-slumber: #467377;
  --color-ocean-slumber-50: #e6fafc;
  --color-ocean-slumber-100: #d6edf0;
  --color-ocean-slumber-200: #bddbde;
  --color-ocean-slumber-300: #9abfc3;
  --color-ocean-slumber-400: #7ca8ab;
  --color-ocean-slumber-500: #5d9095;
  --color-ocean-slumber-600: #507a7e;
  --color-ocean-slumber-700: #3f6265;
  --color-ocean-slumber-800: #2d4849;
  --color-ocean-slumber-900: #1e3233;
  --color-ocean-slumber-950: #0e1e1f;
}

SCSS

$ocean-slumber: #467377;
$ocean-slumber-rgb: 70, 115, 119;
$ocean-slumber-light: mix(#fff, $ocean-slumber, 20%);
$ocean-slumber-dark: mix(#000, $ocean-slumber, 20%);

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