Adriatic Blue

CSS

:root {
  --adriatic-blue: #5c899b;
  --adriatic-blue-rgb: 92 137 155;
  --adriatic-blue-oklch: oklch(0.604 0.056 225);
}

.element {
  color: var(--adriatic-blue);
  background-color: hsl(197 26% 48%);
  border-color: oklch(0.604 0.056 225);
}

Tailwind CSS v4

@theme {
  --color-adriatic-blue: #5c899b;
  --color-adriatic-blue-50: #e5f9ff;
  --color-adriatic-blue-100: #d5ecf7;
  --color-adriatic-blue-200: #bcdae7;
  --color-adriatic-blue-300: #9abece;
  --color-adriatic-blue-400: #7ba6b8;
  --color-adriatic-blue-500: #5c8ea2;
  --color-adriatic-blue-600: #4e7889;
  --color-adriatic-blue-700: #3e606e;
  --color-adriatic-blue-800: #2c4751;
  --color-adriatic-blue-900: #1e3138;
  --color-adriatic-blue-950: #0d1d23;
}

SCSS

$adriatic-blue: #5c899b;
$adriatic-blue-rgb: 92, 137, 155;
$adriatic-blue-light: mix(#fff, $adriatic-blue, 20%);
$adriatic-blue-dark: mix(#000, $adriatic-blue, 20%);

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