#B9D7FF

CSS

:root {
  --broad-daylight: #b9d7ff;
  --broad-daylight-rgb: 185 215 255;
  --broad-daylight-oklch: oklch(0.871 0.064 255.7);
}

.element {
  color: var(--broad-daylight);
  background-color: hsl(214 100% 86%);
  border-color: oklch(0.871 0.064 255.7);
}

Tailwind CSS v4

@theme {
  --color-broad-daylight: #b9d7ff;
  --color-broad-daylight-50: #eaf6ff;
  --color-broad-daylight-100: #dbe9fe;
  --color-broad-daylight-200: #c3d6f0;
  --color-broad-daylight-300: #a3b9d9;
  --color-broad-daylight-400: #86a1c5;
  --color-broad-daylight-500: #6a88b1;
  --color-broad-daylight-600: #5a7395;
  --color-broad-daylight-700: #485c78;
  --color-broad-daylight-800: #334458;
  --color-broad-daylight-900: #222f3e;
  --color-broad-daylight-950: #121b27;
}

SCSS

$broad-daylight: #b9d7ff;
$broad-daylight-rgb: 185, 215, 255;
$broad-daylight-light: mix(#fff, $broad-daylight, 20%);
$broad-daylight-dark: mix(#000, $broad-daylight, 20%);

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