Caribbean Sky

CSS

:root {
  --caribbean-sky: #819ecb;
  --caribbean-sky-rgb: 129 158 203;
  --caribbean-sky-oklch: oklch(0.694 0.074 259);
}

.element {
  color: var(--caribbean-sky);
  background-color: hsl(216 42% 65%);
  border-color: oklch(0.694 0.074 259);
}

Tailwind CSS v4

@theme {
  --color-caribbean-sky: #819ecb;
  --color-caribbean-sky-50: #e9f6ff;
  --color-caribbean-sky-100: #dae9ff;
  --color-caribbean-sky-200: #c3d5f5;
  --color-caribbean-sky-300: #a2b8de;
  --color-caribbean-sky-400: #84a0cb;
  --color-caribbean-sky-500: #6887b7;
  --color-caribbean-sky-600: #59739b;
  --color-caribbean-sky-700: #475c7c;
  --color-caribbean-sky-800: #32435c;
  --color-caribbean-sky-900: #222e40;
  --color-caribbean-sky-950: #111b29;
}

SCSS

$caribbean-sky: #819ecb;
$caribbean-sky-rgb: 129, 158, 203;
$caribbean-sky-light: mix(#fff, $caribbean-sky, 20%);
$caribbean-sky-dark: mix(#000, $caribbean-sky, 20%);

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