Periwinkle Blue

CSS

:root {
  --periwinkle-blue: #8f99fb;
  --periwinkle-blue-rgb: 143 153 251;
  --periwinkle-blue-oklch: oklch(0.716 0.142 277.7);
}

.element {
  color: var(--periwinkle-blue);
  background-color: hsl(234 93% 77%);
  border-color: oklch(0.716 0.142 277.7);
}

Tailwind CSS v4

@theme {
  --color-periwinkle-blue: #8f99fb;
  --color-periwinkle-blue-50: #ecf2ff;
  --color-periwinkle-blue-100: #dee4ff;
  --color-periwinkle-blue-200: #c7ceff;
  --color-periwinkle-blue-300: #a9afff;
  --color-periwinkle-blue-400: #8b95f1;
  --color-periwinkle-blue-500: #7279e2;
  --color-periwinkle-blue-600: #6067bf;
  --color-periwinkle-blue-700: #4d5299;
  --color-periwinkle-blue-800: #353c73;
  --color-periwinkle-blue-900: #242951;
  --color-periwinkle-blue-950: #131736;
}

SCSS

$periwinkle-blue: #8f99fb;
$periwinkle-blue-rgb: 143, 153, 251;
$periwinkle-blue-light: mix(#fff, $periwinkle-blue, 20%);
$periwinkle-blue-dark: mix(#000, $periwinkle-blue, 20%);

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