Pale Phthalo Blue

CSS

:root {
  --pale-phthalo-blue: #ccd5ff;
  --pale-phthalo-blue-rgb: 204 213 255;
  --pale-phthalo-blue-oklch: oklch(0.88 0.059 275.6);
}

.element {
  color: var(--pale-phthalo-blue);
  background-color: hsl(229 100% 90%);
  border-color: oklch(0.88 0.059 275.6);
}

Tailwind CSS v4

@theme {
  --color-pale-phthalo-blue: #ccd5ff;
  --color-pale-phthalo-blue-50: #f1f4ff;
  --color-pale-phthalo-blue-100: #e3e7fc;
  --color-pale-phthalo-blue-200: #ced2ee;
  --color-pale-phthalo-blue-300: #b0b5d6;
  --color-pale-phthalo-blue-400: #949cc2;
  --color-pale-phthalo-blue-500: #7b83ae;
  --color-pale-phthalo-blue-600: #686f93;
  --color-pale-phthalo-blue-700: #535976;
  --color-pale-phthalo-blue-800: #3c4157;
  --color-pale-phthalo-blue-900: #292d3d;
  --color-pale-phthalo-blue-950: #171a26;
}

SCSS

$pale-phthalo-blue: #ccd5ff;
$pale-phthalo-blue-rgb: 204, 213, 255;
$pale-phthalo-blue-light: mix(#fff, $pale-phthalo-blue, 20%);
$pale-phthalo-blue-dark: mix(#000, $pale-phthalo-blue, 20%);

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