Bucolic Blue

CSS

:root {
  --bucolic-blue: #98acb0;
  --bucolic-blue-rgb: 152 172 176;
  --bucolic-blue-oklch: oklch(0.73 0.023 211.1);
}

.element {
  color: var(--bucolic-blue);
  background-color: hsl(190 13% 64%);
  border-color: oklch(0.73 0.023 211.1);
}

Tailwind CSS v4

@theme {
  --color-bucolic-blue: #98acb0;
  --color-bucolic-blue-50: #eef7f9;
  --color-bucolic-blue-100: #e0eaec;
  --color-bucolic-blue-200: #cad7da;
  --color-bucolic-blue-300: #abbbbe;
  --color-bucolic-blue-400: #90a2a6;
  --color-bucolic-blue-500: #758b8f;
  --color-bucolic-blue-600: #637579;
  --color-bucolic-blue-700: #4f5e61;
  --color-bucolic-blue-800: #394547;
  --color-bucolic-blue-900: #272f31;
  --color-bucolic-blue-950: #151c1d;
}

SCSS

$bucolic-blue: #98acb0;
$bucolic-blue-rgb: 152, 172, 176;
$bucolic-blue-light: mix(#fff, $bucolic-blue, 20%);
$bucolic-blue-dark: mix(#000, $bucolic-blue, 20%);

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