#E8EEEF

CSS

:root {
  --distant-wind-chime: #e8eeef;
  --distant-wind-chime-rgb: 232 238 239;
  --distant-wind-chime-oklch: oklch(0.945 0.007 208.8);
}

.element {
  color: var(--distant-wind-chime);
  background-color: hsl(189 18% 92%);
  border-color: oklch(0.945 0.007 208.8);
}

Tailwind CSS v4

@theme {
  --color-distant-wind-chime: #e8eeef;
  --color-distant-wind-chime-50: #f3f6f6;
  --color-distant-wind-chime-100: #e5e8e9;
  --color-distant-wind-chime-200: #d1d5d6;
  --color-distant-wind-chime-300: #b4b8b9;
  --color-distant-wind-chime-400: #9a9fa0;
  --color-distant-wind-chime-500: #818788;
  --color-distant-wind-chime-600: #6e7373;
  --color-distant-wind-chime-700: #585c5c;
  --color-distant-wind-chime-800: #404343;
  --color-distant-wind-chime-900: #2c2e2f;
  --color-distant-wind-chime-950: #191b1b;
}

SCSS

$distant-wind-chime: #e8eeef;
$distant-wind-chime-rgb: 232, 238, 239;
$distant-wind-chime-light: mix(#fff, $distant-wind-chime, 20%);
$distant-wind-chime-dark: mix(#000, $distant-wind-chime, 20%);

.element {
  color: $distant-wind-chime;
  box-shadow: 0 0 0 2px rgba($distant-wind-chime, 0.35);
}