#B9DFFE

CSS

:root {
  --broad-daylight: #b9dffe;
  --broad-daylight-rgb: 185 223 254;
  --broad-daylight-oklch: oklch(0.887 0.059 243);
}

.element {
  color: var(--broad-daylight);
  background-color: hsl(207 97% 86%);
  border-color: oklch(0.887 0.059 243);
}

Tailwind CSS v4

@theme {
  --color-broad-daylight: #b9dffe;
  --color-broad-daylight-50: #e8f7ff;
  --color-broad-daylight-100: #d8ebfb;
  --color-broad-daylight-200: #c0d8ec;
  --color-broad-daylight-300: #9fbbd4;
  --color-broad-daylight-400: #81a3bf;
  --color-broad-daylight-500: #648baa;
  --color-broad-daylight-600: #557690;
  --color-broad-daylight-700: #445e73;
  --color-broad-daylight-800: #304555;
  --color-broad-daylight-900: #20303b;
  --color-broad-daylight-950: #101c25;
}

SCSS

$broad-daylight: #b9dffe;
$broad-daylight-rgb: 185, 223, 254;
$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);
}