Hailey Blue

CSS

:root {
  --hailey-blue: #2c75ff;
  --hailey-blue-rgb: 44 117 255;
  --hailey-blue-oklch: oklch(0.599 0.218 261.6);
}

.element {
  color: var(--hailey-blue);
  background-color: hsl(219 100% 59%);
  border-color: oklch(0.599 0.218 261.6);
}

Tailwind CSS v4

@theme {
  --color-hailey-blue: #2c75ff;
  --color-hailey-blue-50: #d5f6ff;
  --color-hailey-blue-100: #c2e8ff;
  --color-hailey-blue-200: #a4d3ff;
  --color-hailey-blue-300: #7cb3ff;
  --color-hailey-blue-400: #5097ff;
  --color-hailey-blue-500: #2679ff;
  --color-hailey-blue-600: #2267e8;
  --color-hailey-blue-700: #1b52ba;
  --color-hailey-blue-800: #083d8c;
  --color-hailey-blue-900: #052a63;
  --color-hailey-blue-950: #001644;
}

SCSS

$hailey-blue: #2c75ff;
$hailey-blue-rgb: 44, 117, 255;
$hailey-blue-light: mix(#fff, $hailey-blue, 20%);
$hailey-blue-dark: mix(#000, $hailey-blue, 20%);

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