#AFD0F5

CSS

:root {
  --andromeda-blue: #afd0f5;
  --andromeda-blue-rgb: 175 208 245;
  --andromeda-blue-oklch: oklch(0.846 0.063 251.5);
}

.element {
  color: var(--andromeda-blue);
  background-color: hsl(212 78% 82%);
  border-color: oklch(0.846 0.063 251.5);
}

Tailwind CSS v4

@theme {
  --color-andromeda-blue: #afd0f5;
  --color-andromeda-blue-50: #e9f7ff;
  --color-andromeda-blue-100: #daeafd;
  --color-andromeda-blue-200: #c2d6ef;
  --color-andromeda-blue-300: #a1bad8;
  --color-andromeda-blue-400: #83a1c3;
  --color-andromeda-blue-500: #6789af;
  --color-andromeda-blue-600: #587494;
  --color-andromeda-blue-700: #465d77;
  --color-andromeda-blue-800: #314457;
  --color-andromeda-blue-900: #222f3d;
  --color-andromeda-blue-950: #111c27;
}

SCSS

$andromeda-blue: #afd0f5;
$andromeda-blue-rgb: 175, 208, 245;
$andromeda-blue-light: mix(#fff, $andromeda-blue, 20%);
$andromeda-blue-dark: mix(#000, $andromeda-blue, 20%);

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