Bulfinch Blue

CSS

:root {
  --bulfinch-blue: #94b1b6;
  --bulfinch-blue-rgb: 148 177 182;
  --bulfinch-blue-oklch: oklch(0.74 0.033 209.2);
}

.element {
  color: var(--bulfinch-blue);
  background-color: hsl(189 19% 65%);
  border-color: oklch(0.74 0.033 209.2);
}

Tailwind CSS v4

@theme {
  --color-bulfinch-blue: #94b1b6;
  --color-bulfinch-blue-50: #ebf8fa;
  --color-bulfinch-blue-100: #dcebee;
  --color-bulfinch-blue-200: #c5d8dc;
  --color-bulfinch-blue-300: #a5bcc1;
  --color-bulfinch-blue-400: #89a4a9;
  --color-bulfinch-blue-500: #6d8d92;
  --color-bulfinch-blue-600: #5d777b;
  --color-bulfinch-blue-700: #4a5f63;
  --color-bulfinch-blue-800: #354648;
  --color-bulfinch-blue-900: #243032;
  --color-bulfinch-blue-950: #131c1e;
}

SCSS

$bulfinch-blue: #94b1b6;
$bulfinch-blue-rgb: 148, 177, 182;
$bulfinch-blue-light: mix(#fff, $bulfinch-blue, 20%);
$bulfinch-blue-dark: mix(#000, $bulfinch-blue, 20%);

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