Blissful Blue

CSS

:root {
  --blissful-blue: #b2c8d8;
  --blissful-blue-rgb: 178 200 216;
  --blissful-blue-oklch: oklch(0.821 0.033 239.5);
}

.element {
  color: var(--blissful-blue);
  background-color: hsl(205 33% 77%);
  border-color: oklch(0.821 0.033 239.5);
}

Tailwind CSS v4

@theme {
  --color-blissful-blue: #b2c8d8;
  --color-blissful-blue-50: #edf7fe;
  --color-blissful-blue-100: #dfeaf2;
  --color-blissful-blue-200: #c8d6e1;
  --color-blissful-blue-300: #a9bac7;
  --color-blissful-blue-400: #8da2b0;
  --color-blissful-blue-500: #738a9a;
  --color-blissful-blue-600: #617482;
  --color-blissful-blue-700: #4e5d68;
  --color-blissful-blue-800: #38444d;
  --color-blissful-blue-900: #262f35;
  --color-blissful-blue-950: #151c20;
}

SCSS

$blissful-blue: #b2c8d8;
$blissful-blue-rgb: 178, 200, 216;
$blissful-blue-light: mix(#fff, $blissful-blue, 20%);
$blissful-blue-dark: mix(#000, $blissful-blue, 20%);

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