Sleepy Blue

CSS

:root {
  --sleepy-blue: #bccbce;
  --sleepy-blue-rgb: 188 203 206;
  --sleepy-blue-oklch: oklch(0.832 0.017 211);
}

.element {
  color: var(--sleepy-blue);
  background-color: hsl(190 16% 77%);
  border-color: oklch(0.832 0.017 211);
}

Tailwind CSS v4

@theme {
  --color-sleepy-blue: #bccbce;
  --color-sleepy-blue-50: #f0f6f8;
  --color-sleepy-blue-100: #e2e9eb;
  --color-sleepy-blue-200: #cdd6d8;
  --color-sleepy-blue-300: #aebabc;
  --color-sleepy-blue-400: #94a1a4;
  --color-sleepy-blue-500: #7a898d;
  --color-sleepy-blue-600: #677477;
  --color-sleepy-blue-700: #535d5f;
  --color-sleepy-blue-800: #3c4445;
  --color-sleepy-blue-900: #292f30;
  --color-sleepy-blue-950: #171c1c;
}

SCSS

$sleepy-blue: #bccbce;
$sleepy-blue-rgb: 188, 203, 206;
$sleepy-blue-light: mix(#fff, $sleepy-blue, 20%);
$sleepy-blue-dark: mix(#000, $sleepy-blue, 20%);

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