Bobby Blue

CSS

:root {
  --bobby-blue: #97c5da;
  --bobby-blue-rgb: 151 197 218;
  --bobby-blue-oklch: oklch(0.798 0.057 227.7);
}

.element {
  color: var(--bobby-blue);
  background-color: hsl(199 48% 72%);
  border-color: oklch(0.798 0.057 227.7);
}

Tailwind CSS v4

@theme {
  --color-bobby-blue: #97c5da;
  --color-bobby-blue-50: #e5f9ff;
  --color-bobby-blue-100: #d6ecf7;
  --color-bobby-blue-200: #bcd9e8;
  --color-bobby-blue-300: #9abecf;
  --color-bobby-blue-400: #7ba6b9;
  --color-bobby-blue-500: #5d8ea4;
  --color-bobby-blue-600: #4f788a;
  --color-bobby-blue-700: #3f606f;
  --color-bobby-blue-800: #2c4751;
  --color-bobby-blue-900: #1e3139;
  --color-bobby-blue-950: #0e1d23;
}

SCSS

$bobby-blue: #97c5da;
$bobby-blue-rgb: 151, 197, 218;
$bobby-blue-light: mix(#fff, $bobby-blue, 20%);
$bobby-blue-dark: mix(#000, $bobby-blue, 20%);

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