Berry Blue Green

CSS

:root {
  --berry-blue-green: #264b56;
  --berry-blue-green-rgb: 38 75 86;
  --berry-blue-green-oklch: oklch(0.39 0.046 219.4);
}

.element {
  color: var(--berry-blue-green);
  background-color: hsl(194 39% 24%);
  border-color: oklch(0.39 0.046 219.4);
}

Tailwind CSS v4

@theme {
  --color-berry-blue-green: #264b56;
  --color-berry-blue-green-50: #e8f9ff;
  --color-berry-blue-green-100: #d8ecf3;
  --color-berry-blue-green-200: #c0d9e2;
  --color-berry-blue-green-300: #9ebdc8;
  --color-berry-blue-green-400: #80a5b1;
  --color-berry-blue-green-500: #638e9b;
  --color-berry-blue-green-600: #547883;
  --color-berry-blue-green-700: #436069;
  --color-berry-blue-green-800: #30464d;
  --color-berry-blue-green-900: #203135;
  --color-berry-blue-green-950: #101d21;
}

SCSS

$berry-blue-green: #264b56;
$berry-blue-green-rgb: 38, 75, 86;
$berry-blue-green-light: mix(#fff, $berry-blue-green, 20%);
$berry-blue-green-dark: mix(#000, $berry-blue-green, 20%);

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