#086EC2

CSS

:root {
  --matt-blue: #086ec2;
  --matt-blue-rgb: 8 110 194;
  --matt-blue-oklch: oklch(0.534 0.154 251.5);
}

.element {
  color: var(--matt-blue);
  background-color: hsl(207 92% 40%);
  border-color: oklch(0.534 0.154 251.5);
}

Tailwind CSS v4

@theme {
  --color-matt-blue: #086ec2;
  --color-matt-blue-50: #d7f9ff;
  --color-matt-blue-100: #c4ecff;
  --color-matt-blue-200: #a6d8ff;
  --color-matt-blue-300: #7dbbff;
  --color-matt-blue-400: #52a2f6;
  --color-matt-blue-500: #1f88e8;
  --color-matt-blue-600: #1e73c3;
  --color-matt-blue-700: #185c9d;
  --color-matt-blue-800: #084475;
  --color-matt-blue-900: #062f52;
  --color-matt-blue-950: #001b37;
}

SCSS

$matt-blue: #086ec2;
$matt-blue-rgb: 8, 110, 194;
$matt-blue-light: mix(#fff, $matt-blue, 20%);
$matt-blue-dark: mix(#000, $matt-blue, 20%);

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