#6062BF

CSS

:root {
  --bellflower: #6062bf;
  --bellflower-rgb: 96 98 191;
  --bellflower-oklch: oklch(0.541 0.142 279.6);
}

.element {
  color: var(--bellflower);
  background-color: hsl(239 43% 56%);
  border-color: oklch(0.541 0.142 279.6);
}

Tailwind CSS v4

@theme {
  --color-bellflower: #6062bf;
  --color-bellflower-50: #eef1ff;
  --color-bellflower-100: #dfe3ff;
  --color-bellflower-200: #c9ceff;
  --color-bellflower-300: #abaeff;
  --color-bellflower-400: #8e94f1;
  --color-bellflower-500: #7578e1;
  --color-bellflower-600: #6366be;
  --color-bellflower-700: #4f5199;
  --color-bellflower-800: #373c72;
  --color-bellflower-900: #262951;
  --color-bellflower-950: #141636;
}

SCSS

$bellflower: #6062bf;
$bellflower-rgb: 96, 98, 191;
$bellflower-light: mix(#fff, $bellflower, 20%);
$bellflower-dark: mix(#000, $bellflower, 20%);

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