#0099CD

CSS

:root {
  --blue-burst: #0099cd;
  --blue-burst-rgb: 0 153 205;
  --blue-burst-oklch: oklch(0.641 0.13 231.6);
}

.element {
  color: var(--blue-burst);
  background-color: hsl(195 100% 40%);
  border-color: oklch(0.641 0.13 231.6);
}

Tailwind CSS v4

@theme {
  --color-blue-burst: #0099cd;
  --color-blue-burst-50: #d2fcff;
  --color-blue-burst-100: #bef0ff;
  --color-blue-burst-200: #9cdeff;
  --color-blue-burst-300: #6ec3f0;
  --color-blue-burst-400: #38abdd;
  --color-blue-burst-500: #0093cc;
  --color-blue-burst-600: #007dac;
  --color-blue-burst-700: #00648a;
  --color-blue-burst-800: #004a66;
  --color-blue-burst-900: #003348;
  --color-blue-burst-950: #001f2f;
}

SCSS

$blue-burst: #0099cd;
$blue-burst-rgb: 0, 153, 205;
$blue-burst-light: mix(#fff, $blue-burst, 20%);
$blue-burst-dark: mix(#000, $blue-burst, 20%);

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