Serendipity Blue

CSS

:root {
  --serendipity-blue: #a6cddf;
  --serendipity-blue-rgb: 166 205 223;
  --serendipity-blue-oklch: oklch(0.826 0.048 227.7);
}

.element {
  color: var(--serendipity-blue);
  background-color: hsl(199 47% 76%);
  border-color: oklch(0.826 0.048 227.7);
}

Tailwind CSS v4

@theme {
  --color-serendipity-blue: #a6cddf;
  --color-serendipity-blue-50: #e8f8ff;
  --color-serendipity-blue-100: #d8ebf5;
  --color-serendipity-blue-200: #c0d9e5;
  --color-serendipity-blue-300: #9fbdcc;
  --color-serendipity-blue-400: #81a5b5;
  --color-serendipity-blue-500: #648da0;
  --color-serendipity-blue-600: #557787;
  --color-serendipity-blue-700: #445f6c;
  --color-serendipity-blue-800: #30464f;
  --color-serendipity-blue-900: #213037;
  --color-serendipity-blue-950: #101d22;
}

SCSS

$serendipity-blue: #a6cddf;
$serendipity-blue-rgb: 166, 205, 223;
$serendipity-blue-light: mix(#fff, $serendipity-blue, 20%);
$serendipity-blue-dark: mix(#000, $serendipity-blue, 20%);

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