Cottage Blue

CSS

:root {
  --cottage-blue: #789ec5;
  --cottage-blue-rgb: 120 158 197;
  --cottage-blue-oklch: oklch(0.686 0.071 249.6);
}

.element {
  color: var(--cottage-blue);
  background-color: hsl(210 40% 62%);
  border-color: oklch(0.686 0.071 249.6);
}

Tailwind CSS v4

@theme {
  --color-cottage-blue: #789ec5;
  --color-cottage-blue-50: #e7f7ff;
  --color-cottage-blue-100: #d7eaff;
  --color-cottage-blue-200: #bfd7f3;
  --color-cottage-blue-300: #9dbbdc;
  --color-cottage-blue-400: #7ea2c7;
  --color-cottage-blue-500: #618ab4;
  --color-cottage-blue-600: #527598;
  --color-cottage-blue-700: #425d7a;
  --color-cottage-blue-800: #2e455a;
  --color-cottage-blue-900: #1f2f3f;
  --color-cottage-blue-950: #0f1c28;
}

SCSS

$cottage-blue: #789ec5;
$cottage-blue-rgb: 120, 158, 197;
$cottage-blue-light: mix(#fff, $cottage-blue, 20%);
$cottage-blue-dark: mix(#000, $cottage-blue, 20%);

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