Sail to the Sea

CSS

:root {
  --sail-to-the-sea: #99c3f0;
  --sail-to-the-sea-rgb: 153 195 240;
  --sail-to-the-sea-oklch: oklch(0.803 0.078 250.6);
}

.element {
  color: var(--sail-to-the-sea);
  background-color: hsl(211 74% 77%);
  border-color: oklch(0.803 0.078 250.6);
}

Tailwind CSS v4

@theme {
  --color-sail-to-the-sea: #99c3f0;
  --color-sail-to-the-sea-50: #e6f7ff;
  --color-sail-to-the-sea-100: #d6eaff;
  --color-sail-to-the-sea-200: #bdd7f6;
  --color-sail-to-the-sea-300: #9bbbdf;
  --color-sail-to-the-sea-400: #7ca2cc;
  --color-sail-to-the-sea-500: #5e8ab8;
  --color-sail-to-the-sea-600: #50759c;
  --color-sail-to-the-sea-700: #3f5d7d;
  --color-sail-to-the-sea-800: #2c455c;
  --color-sail-to-the-sea-900: #1e2f41;
  --color-sail-to-the-sea-950: #0e1c29;
}

SCSS

$sail-to-the-sea: #99c3f0;
$sail-to-the-sea-rgb: 153, 195, 240;
$sail-to-the-sea-light: mix(#fff, $sail-to-the-sea, 20%);
$sail-to-the-sea-dark: mix(#000, $sail-to-the-sea, 20%);

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