Sky City

CSS

:root {
  --sky-city: #a0bdd9;
  --sky-city-rgb: 160 189 217;
  --sky-city-oklch: oklch(0.786 0.051 247.6);
}

.element {
  color: var(--sky-city);
  background-color: hsl(209 43% 74%);
  border-color: oklch(0.786 0.051 247.6);
}

Tailwind CSS v4

@theme {
  --color-sky-city: #a0bdd9;
  --color-sky-city-50: #ebf7ff;
  --color-sky-city-100: #dbeaf9;
  --color-sky-city-200: #c4d7ea;
  --color-sky-city-300: #a4bad1;
  --color-sky-city-400: #87a2bc;
  --color-sky-city-500: #6b8aa7;
  --color-sky-city-600: #5b758d;
  --color-sky-city-700: #495d71;
  --color-sky-city-800: #344453;
  --color-sky-city-900: #232f3a;
  --color-sky-city-950: #121c24;
}

SCSS

$sky-city: #a0bdd9;
$sky-city-rgb: 160, 189, 217;
$sky-city-light: mix(#fff, $sky-city, 20%);
$sky-city-dark: mix(#000, $sky-city, 20%);

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