Bird Blue

CSS

:root {
  --bird-blue: #7b929e;
  --bird-blue-rgb: 123 146 158;
  --bird-blue-oklch: oklch(0.646 0.032 230.6);
}

.element {
  color: var(--bird-blue);
  background-color: hsl(201 15% 55%);
  border-color: oklch(0.646 0.032 230.6);
}

Tailwind CSS v4

@theme {
  --color-bird-blue: #7b929e;
  --color-bird-blue-50: #edf7fd;
  --color-bird-blue-100: #deeaf1;
  --color-bird-blue-200: #c8d7e0;
  --color-bird-blue-300: #a8bbc5;
  --color-bird-blue-400: #8ca2ae;
  --color-bird-blue-500: #718a98;
  --color-bird-blue-600: #607580;
  --color-bird-blue-700: #4d5e67;
  --color-bird-blue-800: #37454b;
  --color-bird-blue-900: #263034;
  --color-bird-blue-950: #141c20;
}

SCSS

$bird-blue: #7b929e;
$bird-blue-rgb: 123, 146, 158;
$bird-blue-light: mix(#fff, $bird-blue, 20%);
$bird-blue-dark: mix(#000, $bird-blue, 20%);

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