Blue by You

CSS

:root {
  --blue-by-you: #a0b7ba;
  --blue-by-you-rgb: 160 183 186;
  --blue-by-you-oklch: oklch(0.763 0.026 206.2);
}

.element {
  color: var(--blue-by-you);
  background-color: hsl(187 16% 68%);
  border-color: oklch(0.763 0.026 206.2);
}

Tailwind CSS v4

@theme {
  --color-blue-by-you: #a0b7ba;
  --color-blue-by-you-50: #edf7f9;
  --color-blue-by-you-100: #dfeaec;
  --color-blue-by-you-200: #c8d8da;
  --color-blue-by-you-300: #a9bbbe;
  --color-blue-by-you-400: #8ea3a6;
  --color-blue-by-you-500: #738b8f;
  --color-blue-by-you-600: #627679;
  --color-blue-by-you-700: #4e5e60;
  --color-blue-by-you-800: #384546;
  --color-blue-by-you-900: #273031;
  --color-blue-by-you-950: #151c1d;
}

SCSS

$blue-by-you: #a0b7ba;
$blue-by-you-rgb: 160, 183, 186;
$blue-by-you-light: mix(#fff, $blue-by-you, 20%);
$blue-by-you-dark: mix(#000, $blue-by-you, 20%);

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