#DAE3E0

CSS

:root {
  --homoeopathic-blue: #dae3e0;
  --homoeopathic-blue-rgb: 218 227 224;
  --homoeopathic-blue-oklch: oklch(0.908 0.01 174.2);
}

.element {
  color: var(--homoeopathic-blue);
  background-color: hsl(160 14% 87%);
  border-color: oklch(0.908 0.01 174.2);
}

Tailwind CSS v4

@theme {
  --color-homoeopathic-blue: #dae3e0;
  --color-homoeopathic-blue-50: #f2f6f5;
  --color-homoeopathic-blue-100: #e4e9e8;
  --color-homoeopathic-blue-200: #d0d6d4;
  --color-homoeopathic-blue-300: #b2b9b7;
  --color-homoeopathic-blue-400: #98a09e;
  --color-homoeopathic-blue-500: #7f8886;
  --color-homoeopathic-blue-600: #6c7471;
  --color-homoeopathic-blue-700: #565c5a;
  --color-homoeopathic-blue-800: #3f4442;
  --color-homoeopathic-blue-900: #2b2f2d;
  --color-homoeopathic-blue-950: #191b1a;
}

SCSS

$homoeopathic-blue: #dae3e0;
$homoeopathic-blue-rgb: 218, 227, 224;
$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);
}