Sea of Tears

CSS

:root {
  --sea-of-tears: #1d4da0;
  --sea-of-tears-rgb: 29 77 160;
  --sea-of-tears-oklch: oklch(0.438 0.145 260.6);
}

.element {
  color: var(--sea-of-tears);
  background-color: hsl(218 69% 37%);
  border-color: oklch(0.438 0.145 260.6);
}

Tailwind CSS v4

@theme {
  --color-sea-of-tears: #1d4da0;
  --color-sea-of-tears-50: #dff6ff;
  --color-sea-of-tears-100: #cee9ff;
  --color-sea-of-tears-200: #b3d5ff;
  --color-sea-of-tears-300: #8fb7ff;
  --color-sea-of-tears-400: #6c9ef3;
  --color-sea-of-tears-500: #4b83e5;
  --color-sea-of-tears-600: #406fc1;
  --color-sea-of-tears-700: #33599b;
  --color-sea-of-tears-800: #214274;
  --color-sea-of-tears-900: #152d51;
  --color-sea-of-tears-950: #071a37;
}

SCSS

$sea-of-tears: #1d4da0;
$sea-of-tears-rgb: 29, 77, 160;
$sea-of-tears-light: mix(#fff, $sea-of-tears, 20%);
$sea-of-tears-dark: mix(#000, $sea-of-tears, 20%);

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