#A0BCDF

CSS

:root {
  --sail-into-the-horizon: #a0bcdf;
  --sail-into-the-horizon-rgb: 160 188 223;
  --sail-into-the-horizon-oklch: oklch(0.786 0.059 254.2);
}

.element {
  color: var(--sail-into-the-horizon);
  background-color: hsl(213 50% 75%);
  border-color: oklch(0.786 0.059 254.2);
}

Tailwind CSS v4

@theme {
  --color-sail-into-the-horizon: #a0bcdf;
  --color-sail-into-the-horizon-50: #ebf6ff;
  --color-sail-into-the-horizon-100: #dce9fc;
  --color-sail-into-the-horizon-200: #c4d6ee;
  --color-sail-into-the-horizon-300: #a4b9d6;
  --color-sail-into-the-horizon-400: #87a1c1;
  --color-sail-into-the-horizon-500: #6b89ad;
  --color-sail-into-the-horizon-600: #5b7492;
  --color-sail-into-the-horizon-700: #495c75;
  --color-sail-into-the-horizon-800: #344456;
  --color-sail-into-the-horizon-900: #232f3c;
  --color-sail-into-the-horizon-950: #121b26;
}

SCSS

$sail-into-the-horizon: #a0bcdf;
$sail-into-the-horizon-rgb: 160, 188, 223;
$sail-into-the-horizon-light: mix(#fff, $sail-into-the-horizon, 20%);
$sail-into-the-horizon-dark: mix(#000, $sail-into-the-horizon, 20%);

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