#8EB1E1

CSS

:root {
  --queer-blue: #8eb1e1;
  --queer-blue-rgb: 142 177 225;
  --queer-blue-oklch: oklch(0.752 0.079 256.4);
}

.element {
  color: var(--queer-blue);
  background-color: hsl(215 58% 72%);
  border-color: oklch(0.752 0.079 256.4);
}

Tailwind CSS v4

@theme {
  --color-queer-blue: #8eb1e1;
  --color-queer-blue-50: #e8f6ff;
  --color-queer-blue-100: #d8e9ff;
  --color-queer-blue-200: #c0d6f7;
  --color-queer-blue-300: #9fb9e1;
  --color-queer-blue-400: #80a1cd;
  --color-queer-blue-500: #6388ba;
  --color-queer-blue-600: #54739d;
  --color-queer-blue-700: #435c7e;
  --color-queer-blue-800: #2f445e;
  --color-queer-blue-900: #202f42;
  --color-queer-blue-950: #0f1b2a;
}

SCSS

$queer-blue: #8eb1e1;
$queer-blue-rgb: 142, 177, 225;
$queer-blue-light: mix(#fff, $queer-blue, 20%);
$queer-blue-dark: mix(#000, $queer-blue, 20%);

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