Icelandic Blue

CSS

:root {
  --icelandic-blue: #a0a4bc;
  --icelandic-blue-rgb: 160 164 188;
  --icelandic-blue-oklch: oklch(0.723 0.035 278);
}

.element {
  color: var(--icelandic-blue);
  background-color: hsl(231 17% 68%);
  border-color: oklch(0.723 0.035 278);
}

Tailwind CSS v4

@theme {
  --color-icelandic-blue: #a0a4bc;
  --color-icelandic-blue-50: #f3f4ff;
  --color-icelandic-blue-100: #e5e7f4;
  --color-icelandic-blue-200: #d1d3e3;
  --color-icelandic-blue-300: #b3b6ca;
  --color-icelandic-blue-400: #999db3;
  --color-icelandic-blue-500: #80849e;
  --color-icelandic-blue-600: #6d7085;
  --color-icelandic-blue-700: #575a6b;
  --color-icelandic-blue-800: #3f424f;
  --color-icelandic-blue-900: #2b2d37;
  --color-icelandic-blue-950: #191a22;
}

SCSS

$icelandic-blue: #a0a4bc;
$icelandic-blue-rgb: 160, 164, 188;
$icelandic-blue-light: mix(#fff, $icelandic-blue, 20%);
$icelandic-blue-dark: mix(#000, $icelandic-blue, 20%);

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