Courtyard Blue

CSS

:root {
  --courtyard-blue: #718084;
  --courtyard-blue-rgb: 113 128 132;
  --courtyard-blue-oklch: oklch(0.589 0.019 215.6);
}

.element {
  color: var(--courtyard-blue);
  background-color: hsl(193 8% 48%);
  border-color: oklch(0.589 0.019 215.6);
}

Tailwind CSS v4

@theme {
  --color-courtyard-blue: #718084;
  --color-courtyard-blue-50: #f0f7f9;
  --color-courtyard-blue-100: #e1e9ec;
  --color-courtyard-blue-200: #ccd6d9;
  --color-courtyard-blue-300: #adbabe;
  --color-courtyard-blue-400: #93a1a5;
  --color-courtyard-blue-500: #798a8e;
  --color-courtyard-blue-600: #667478;
  --color-courtyard-blue-700: #525d60;
  --color-courtyard-blue-800: #3b4446;
  --color-courtyard-blue-900: #292f31;
  --color-courtyard-blue-950: #171c1d;
}

SCSS

$courtyard-blue: #718084;
$courtyard-blue-rgb: 113, 128, 132;
$courtyard-blue-light: mix(#fff, $courtyard-blue, 20%);
$courtyard-blue-dark: mix(#000, $courtyard-blue, 20%);

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