#EAEDF0

CSS

:root {
  --distant-wind-chime: #eaedf0;
  --distant-wind-chime-rgb: 234 237 240;
  --distant-wind-chime-oklch: oklch(0.945 0.005 247.9);
}

.element {
  color: var(--distant-wind-chime);
  background-color: hsl(210 17% 93%);
  border-color: oklch(0.945 0.005 247.9);
}

Tailwind CSS v4

@theme {
  --color-distant-wind-chime: #eaedf0;
  --color-distant-wind-chime-50: #f4f5f6;
  --color-distant-wind-chime-100: #e6e8e9;
  --color-distant-wind-chime-200: #d2d4d6;
  --color-distant-wind-chime-300: #b5b8ba;
  --color-distant-wind-chime-400: #9c9fa1;
  --color-distant-wind-chime-500: #838689;
  --color-distant-wind-chime-600: #6f7274;
  --color-distant-wind-chime-700: #595b5d;
  --color-distant-wind-chime-800: #414344;
  --color-distant-wind-chime-900: #2d2e2f;
  --color-distant-wind-chime-950: #1a1b1c;
}

SCSS

$distant-wind-chime: #eaedf0;
$distant-wind-chime-rgb: 234, 237, 240;
$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);
}