#DAE2DF

CSS

:root {
  --homoeopathic-blue: #dae2df;
  --homoeopathic-blue-rgb: 218 226 223;
  --homoeopathic-blue-oklch: oklch(0.906 0.009 171.8);
}

.element {
  color: var(--homoeopathic-blue);
  background-color: hsl(158 12% 87%);
  border-color: oklch(0.906 0.009 171.8);
}

Tailwind CSS v4

@theme {
  --color-homoeopathic-blue: #dae2df;
  --color-homoeopathic-blue-50: #f2f6f5;
  --color-homoeopathic-blue-100: #e5e9e7;
  --color-homoeopathic-blue-200: #d0d5d4;
  --color-homoeopathic-blue-300: #b3b9b7;
  --color-homoeopathic-blue-400: #99a09e;
  --color-homoeopathic-blue-500: #808885;
  --color-homoeopathic-blue-600: #6d7371;
  --color-homoeopathic-blue-700: #575c5a;
  --color-homoeopathic-blue-800: #3f4342;
  --color-homoeopathic-blue-900: #2c2f2d;
  --color-homoeopathic-blue-950: #191b1a;
}

SCSS

$homoeopathic-blue: #dae2df;
$homoeopathic-blue-rgb: 218, 226, 223;
$homoeopathic-blue-light: mix(#fff, $homoeopathic-blue, 20%);
$homoeopathic-blue-dark: mix(#000, $homoeopathic-blue, 20%);

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