#BDC1D5

CSS

:root {
  --violet-vision: #bdc1d5;
  --violet-vision-rgb: 189 193 213;
  --violet-vision-oklch: oklch(0.814 0.028 276.8);
}

.element {
  color: var(--violet-vision);
  background-color: hsl(230 22% 79%);
  border-color: oklch(0.814 0.028 276.8);
}

Tailwind CSS v4

@theme {
  --color-violet-vision: #bdc1d5;
  --color-violet-vision-50: #f3f4fd;
  --color-violet-vision-100: #e5e7f2;
  --color-violet-vision-200: #d1d3e1;
  --color-violet-vision-300: #b4b6c6;
  --color-violet-vision-400: #9a9db0;
  --color-violet-vision-500: #818599;
  --color-violet-vision-600: #6d7082;
  --color-violet-vision-700: #575a68;
  --color-violet-vision-800: #3f424c;
  --color-violet-vision-900: #2c2d35;
  --color-violet-vision-950: #191a20;
}

SCSS

$violet-vision: #bdc1d5;
$violet-vision-rgb: 189, 193, 213;
$violet-vision-light: mix(#fff, $violet-vision, 20%);
$violet-vision-dark: mix(#000, $violet-vision, 20%);

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