#3792AD

CSS

:root {
  --enchanted-well: #3792ad;
  --enchanted-well-rgb: 55 146 173;
  --enchanted-well-oklch: oklch(0.617 0.093 221.1);
}

.element {
  color: var(--enchanted-well);
  background-color: hsl(194 52% 45%);
  border-color: oklch(0.617 0.093 221.1);
}

Tailwind CSS v4

@theme {
  --color-enchanted-well: #3792ad;
  --color-enchanted-well-50: #d9fcff;
  --color-enchanted-well-100: #c7f0ff;
  --color-enchanted-well-200: #a9def2;
  --color-enchanted-well-300: #81c2da;
  --color-enchanted-well-400: #59abc5;
  --color-enchanted-well-500: #2894b2;
  --color-enchanted-well-600: #257d96;
  --color-enchanted-well-700: #1e6478;
  --color-enchanted-well-800: #124a58;
  --color-enchanted-well-900: #0b333e;
  --color-enchanted-well-950: #001f27;
}

SCSS

$enchanted-well: #3792ad;
$enchanted-well-rgb: 55, 146, 173;
$enchanted-well-light: mix(#fff, $enchanted-well, 20%);
$enchanted-well-dark: mix(#000, $enchanted-well, 20%);

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