#4E6A97

CSS

:root {
  --sea-of-galilee: #4e6a97;
  --sea-of-galilee-rgb: 78 106 151;
  --sea-of-galilee-oklch: oklch(0.522 0.079 259.6);
}

.element {
  color: var(--sea-of-galilee);
  background-color: hsl(217 32% 45%);
  border-color: oklch(0.522 0.079 259.6);
}

Tailwind CSS v4

@theme {
  --color-sea-of-galilee: #4e6a97;
  --color-sea-of-galilee-50: #e9f6ff;
  --color-sea-of-galilee-100: #dae9ff;
  --color-sea-of-galilee-200: #c2d5f7;
  --color-sea-of-galilee-300: #a1b8e1;
  --color-sea-of-galilee-400: #83a0cd;
  --color-sea-of-galilee-500: #6787bb;
  --color-sea-of-galilee-600: #57729e;
  --color-sea-of-galilee-700: #465b7e;
  --color-sea-of-galilee-800: #31435e;
  --color-sea-of-galilee-900: #212e42;
  --color-sea-of-galilee-950: #101b2a;
}

SCSS

$sea-of-galilee: #4e6a97;
$sea-of-galilee-rgb: 78, 106, 151;
$sea-of-galilee-light: mix(#fff, $sea-of-galilee, 20%);
$sea-of-galilee-dark: mix(#000, $sea-of-galilee, 20%);

.element {
  color: $sea-of-galilee;
  box-shadow: 0 0 0 2px rgba($sea-of-galilee, 0.35);
}