Blue Beyond

CSS

:root {
  --blue-beyond: #91b8d9;
  --blue-beyond-rgb: 145 184 217;
  --blue-beyond-oklch: oklch(0.766 0.063 244.3);
}

.element {
  color: var(--blue-beyond);
  background-color: hsl(207 49% 71%);
  border-color: oklch(0.766 0.063 244.3);
}

Tailwind CSS v4

@theme {
  --color-blue-beyond: #91b8d9;
  --color-blue-beyond-50: #e7f7ff;
  --color-blue-beyond-100: #d7ebfc;
  --color-blue-beyond-200: #bfd8ee;
  --color-blue-beyond-300: #9ebbd7;
  --color-blue-beyond-400: #7fa3c2;
  --color-blue-beyond-500: #618bae;
  --color-blue-beyond-600: #537693;
  --color-blue-beyond-700: #425e76;
  --color-blue-beyond-800: #2e4557;
  --color-blue-beyond-900: #1f303d;
  --color-blue-beyond-950: #0f1c26;
}

SCSS

$blue-beyond: #91b8d9;
$blue-beyond-rgb: 145, 184, 217;
$blue-beyond-light: mix(#fff, $blue-beyond, 20%);
$blue-beyond-dark: mix(#000, $blue-beyond, 20%);

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