#23A8CB

CSS

:root {
  --pacific-blue: #23a8cb;
  --pacific-blue-rgb: 35 168 203;
  --pacific-blue-oklch: oklch(0.68 0.117 221.1);
}

.element {
  color: var(--pacific-blue);
  background-color: hsl(192 71% 47%);
  border-color: oklch(0.68 0.117 221.1);
}

Tailwind CSS v4

@theme {
  --color-pacific-blue: #23a8cb;
  --color-pacific-blue-50: #d2fdff;
  --color-pacific-blue-100: #bef1ff;
  --color-pacific-blue-200: #9ce0f9;
  --color-pacific-blue-300: #6fc5e3;
  --color-pacific-blue-400: #39aecf;
  --color-pacific-blue-500: #0096bd;
  --color-pacific-blue-600: #007f9f;
  --color-pacific-blue-700: #006680;
  --color-pacific-blue-800: #004b5e;
  --color-pacific-blue-900: #003442;
  --color-pacific-blue-950: #001f2a;
}

SCSS

$pacific-blue: #23a8cb;
$pacific-blue-rgb: 35, 168, 203;
$pacific-blue-light: mix(#fff, $pacific-blue, 20%);
$pacific-blue-dark: mix(#000, $pacific-blue, 20%);

.element {
  color: $pacific-blue;
  box-shadow: 0 0 0 2px rgba($pacific-blue, 0.35);
}