Light Placid Blue

CSS

:root {
  --light-placid-blue: #c8d8e8;
  --light-placid-blue-rgb: 200 216 232;
  --light-placid-blue-oklch: oklch(0.875 0.028 248.1);
}

.element {
  color: var(--light-placid-blue);
  background-color: hsl(210 41% 85%);
  border-color: oklch(0.875 0.028 248.1);
}

Tailwind CSS v4

@theme {
  --color-light-placid-blue: #c8d8e8;
  --color-light-placid-blue-50: #eff6fd;
  --color-light-placid-blue-100: #e1e9f1;
  --color-light-placid-blue-200: #ccd5e0;
  --color-light-placid-blue-300: #adb9c6;
  --color-light-placid-blue-400: #92a0af;
  --color-light-placid-blue-500: #788898;
  --color-light-placid-blue-600: #667381;
  --color-light-placid-blue-700: #515c67;
  --color-light-placid-blue-800: #3b444c;
  --color-light-placid-blue-900: #282f35;
  --color-light-placid-blue-950: #161b20;
}

SCSS

$light-placid-blue: #c8d8e8;
$light-placid-blue-rgb: 200, 216, 232;
$light-placid-blue-light: mix(#fff, $light-placid-blue, 20%);
$light-placid-blue-dark: mix(#000, $light-placid-blue, 20%);

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