#A8C7F0

CSS

:root {
  --sky-high: #a8c7f0;
  --sky-high-rgb: 168 199 240;
  --sky-high-oklch: oklch(0.821 0.067 255.5);
}

.element {
  color: var(--sky-high);
  background-color: hsl(214 71% 80%);
  border-color: oklch(0.821 0.067 255.5);
}

Tailwind CSS v4

@theme {
  --color-sky-high: #a8c7f0;
  --color-sky-high-50: #e9f6ff;
  --color-sky-high-100: #dae9ff;
  --color-sky-high-200: #c3d6f1;
  --color-sky-high-300: #a2b9da;
  --color-sky-high-400: #84a1c6;
  --color-sky-high-500: #6888b2;
  --color-sky-high-600: #597397;
  --color-sky-high-700: #475c79;
  --color-sky-high-800: #324459;
  --color-sky-high-900: #222f3e;
  --color-sky-high-950: #111b28;
}

SCSS

$sky-high: #a8c7f0;
$sky-high-rgb: 168, 199, 240;
$sky-high-light: mix(#fff, $sky-high, 20%);
$sky-high-dark: mix(#000, $sky-high, 20%);

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