#D7E3EC

CSS

:root {
  --iceberg: #d7e3ec;
  --iceberg-rgb: 215 227 236;
  --iceberg-oklch: oklch(0.909 0.018 240);
}

.element {
  color: var(--iceberg);
  background-color: hsl(206 36% 88%);
  border-color: oklch(0.909 0.018 240);
}

Tailwind CSS v4

@theme {
  --color-iceberg: #d7e3ec;
  --color-iceberg-50: #f1f6fa;
  --color-iceberg-100: #e3e9ed;
  --color-iceberg-200: #ced5db;
  --color-iceberg-300: #b0b9c0;
  --color-iceberg-400: #95a0a8;
  --color-iceberg-500: #7c8891;
  --color-iceberg-600: #69737b;
  --color-iceberg-700: #545c62;
  --color-iceberg-800: #3d4348;
  --color-iceberg-900: #2a2f32;
  --color-iceberg-950: #171b1e;
}

SCSS

$iceberg: #d7e3ec;
$iceberg-rgb: 215, 227, 236;
$iceberg-light: mix(#fff, $iceberg, 20%);
$iceberg-dark: mix(#000, $iceberg, 20%);

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