Riviera Blue

CSS

:root {
  --riviera-blue: #65b4d8;
  --riviera-blue-rgb: 101 180 216;
  --riviera-blue-oklch: oklch(0.733 0.094 229.4);
}

.element {
  color: var(--riviera-blue);
  background-color: hsl(199 60% 62%);
  border-color: oklch(0.733 0.094 229.4);
}

Tailwind CSS v4

@theme {
  --color-riviera-blue: #65b4d8;
  --color-riviera-blue-50: #dbfbff;
  --color-riviera-blue-100: #caeeff;
  --color-riviera-blue-200: #acdcf6;
  --color-riviera-blue-300: #85c1df;
  --color-riviera-blue-400: #5fa9cb;
  --color-riviera-blue-500: #3491b8;
  --color-riviera-blue-600: #2e7b9b;
  --color-riviera-blue-700: #25627c;
  --color-riviera-blue-800: #17495c;
  --color-riviera-blue-900: #0f3240;
  --color-riviera-blue-950: #021e29;
}

SCSS

$riviera-blue: #65b4d8;
$riviera-blue-rgb: 101, 180, 216;
$riviera-blue-light: mix(#fff, $riviera-blue, 20%);
$riviera-blue-dark: mix(#000, $riviera-blue, 20%);

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