#93C4FF

CSS

:root {
  --sail-to-the-sea: #93c4ff;
  --sail-to-the-sea-rgb: 147 196 255;
  --sail-to-the-sea-oklch: oklch(0.808 0.099 253.5);
}

.element {
  color: var(--sail-to-the-sea);
  background-color: hsl(213 100% 79%);
  border-color: oklch(0.808 0.099 253.5);
}

Tailwind CSS v4

@theme {
  --color-sail-to-the-sea: #93c4ff;
  --color-sail-to-the-sea-50: #e3f7ff;
  --color-sail-to-the-sea-100: #d3eaff;
  --color-sail-to-the-sea-200: #b9d7ff;
  --color-sail-to-the-sea-300: #96baea;
  --color-sail-to-the-sea-400: #75a2d8;
  --color-sail-to-the-sea-500: #5589c6;
  --color-sail-to-the-sea-600: #4974a7;
  --color-sail-to-the-sea-700: #3a5d86;
  --color-sail-to-the-sea-800: #274463;
  --color-sail-to-the-sea-900: #1a2f46;
  --color-sail-to-the-sea-950: #0b1c2d;
}

SCSS

$sail-to-the-sea: #93c4ff;
$sail-to-the-sea-rgb: 147, 196, 255;
$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);
}