Taliesin Blue

CSS

:root {
  --taliesin-blue: #707e84;
  --taliesin-blue-rgb: 112 126 132;
  --taliesin-blue-oklch: oklch(0.584 0.019 225.4);
}

.element {
  color: var(--taliesin-blue);
  background-color: hsl(198 8% 48%);
  border-color: oklch(0.584 0.019 225.4);
}

Tailwind CSS v4

@theme {
  --color-taliesin-blue: #707e84;
  --color-taliesin-blue-50: #f0f6f9;
  --color-taliesin-blue-100: #e2e9ed;
  --color-taliesin-blue-200: #ccd6db;
  --color-taliesin-blue-300: #aebabf;
  --color-taliesin-blue-400: #93a1a7;
  --color-taliesin-blue-500: #798990;
  --color-taliesin-blue-600: #67747a;
  --color-taliesin-blue-700: #525d61;
  --color-taliesin-blue-800: #3c4447;
  --color-taliesin-blue-900: #292f31;
  --color-taliesin-blue-950: #171b1d;
}

SCSS

$taliesin-blue: #707e84;
$taliesin-blue-rgb: 112, 126, 132;
$taliesin-blue-light: mix(#fff, $taliesin-blue, 20%);
$taliesin-blue-dark: mix(#000, $taliesin-blue, 20%);

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