Blue Iolite

CSS

:root {
  --blue-iolite: #587ebe;
  --blue-iolite-rgb: 88 126 190;
  --blue-iolite-oklch: oklch(0.593 0.108 260.4);
}

.element {
  color: var(--blue-iolite);
  background-color: hsl(218 44% 55%);
  border-color: oklch(0.593 0.108 260.4);
}

Tailwind CSS v4

@theme {
  --color-blue-iolite: #587ebe;
  --color-blue-iolite-50: #e5f6ff;
  --color-blue-iolite-100: #d5e9ff;
  --color-blue-iolite-200: #bcd5ff;
  --color-blue-iolite-300: #9ab8ef;
  --color-blue-iolite-400: #799fde;
  --color-blue-iolite-500: #5b86cd;
  --color-blue-iolite-600: #4e71ad;
  --color-blue-iolite-700: #3e5b8b;
  --color-blue-iolite-800: #2a4367;
  --color-blue-iolite-900: #1c2e49;
  --color-blue-iolite-950: #0d1b30;
}

SCSS

$blue-iolite: #587ebe;
$blue-iolite-rgb: 88, 126, 190;
$blue-iolite-light: mix(#fff, $blue-iolite, 20%);
$blue-iolite-dark: mix(#000, $blue-iolite, 20%);

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