Blue Dazzle

CSS

:root {
  --blue-dazzle: #668db7;
  --blue-dazzle-rgb: 102 141 183;
  --blue-dazzle-oklch: oklch(0.631 0.077 250.9);
}

.element {
  color: var(--blue-dazzle);
  background-color: hsl(211 36% 56%);
  border-color: oklch(0.631 0.077 250.9);
}

Tailwind CSS v4

@theme {
  --color-blue-dazzle: #668db7;
  --color-blue-dazzle-50: #e6f7ff;
  --color-blue-dazzle-100: #d6eaff;
  --color-blue-dazzle-200: #bed7f5;
  --color-blue-dazzle-300: #9cbadf;
  --color-blue-dazzle-400: #7ca2cb;
  --color-blue-dazzle-500: #5f8ab8;
  --color-blue-dazzle-600: #51759b;
  --color-blue-dazzle-700: #405d7d;
  --color-blue-dazzle-800: #2d455c;
  --color-blue-dazzle-900: #1e2f40;
  --color-blue-dazzle-950: #0e1c29;
}

SCSS

$blue-dazzle: #668db7;
$blue-dazzle-rgb: 102, 141, 183;
$blue-dazzle-light: mix(#fff, $blue-dazzle, 20%);
$blue-dazzle-dark: mix(#000, $blue-dazzle, 20%);

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