Languid Blue

CSS

:root {
  --languid-blue: #a4b7bd;
  --languid-blue-rgb: 164 183 189;
  --languid-blue-oklch: oklch(0.767 0.023 218.7);
}

.element {
  color: var(--languid-blue);
  background-color: hsl(194 16% 69%);
  border-color: oklch(0.767 0.023 218.7);
}

Tailwind CSS v4

@theme {
  --color-languid-blue: #a4b7bd;
  --color-languid-blue-50: #eef7fa;
  --color-languid-blue-100: #e0eaed;
  --color-languid-blue-200: #cad7db;
  --color-languid-blue-300: #abbac0;
  --color-languid-blue-400: #90a2a8;
  --color-languid-blue-500: #768a90;
  --color-languid-blue-600: #64757a;
  --color-languid-blue-700: #505d62;
  --color-languid-blue-800: #3a4447;
  --color-languid-blue-900: #282f31;
  --color-languid-blue-950: #161c1d;
}

SCSS

$languid-blue: #a4b7bd;
$languid-blue-rgb: 164, 183, 189;
$languid-blue-light: mix(#fff, $languid-blue, 20%);
$languid-blue-dark: mix(#000, $languid-blue, 20%);

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