#989AA9

CSS

:root {
  --too-big-to-whale: #989aa9;
  --too-big-to-whale-rgb: 152 154 169;
  --too-big-to-whale-oklch: oklch(0.689 0.022 279.8);
}

.element {
  color: var(--too-big-to-whale);
  background-color: hsl(233 9% 63%);
  border-color: oklch(0.689 0.022 279.8);
}

Tailwind CSS v4

@theme {
  --color-too-big-to-whale: #989aa9;
  --color-too-big-to-whale-50: #f4f4fb;
  --color-too-big-to-whale-100: #e6e7ef;
  --color-too-big-to-whale-200: #d2d3de;
  --color-too-big-to-whale-300: #b5b6c3;
  --color-too-big-to-whale-400: #9b9dac;
  --color-too-big-to-whale-500: #838595;
  --color-too-big-to-whale-600: #6f707e;
  --color-too-big-to-whale-700: #595a65;
  --color-too-big-to-whale-800: #40424a;
  --color-too-big-to-whale-900: #2c2d33;
  --color-too-big-to-whale-950: #191a1f;
}

SCSS

$too-big-to-whale: #989aa9;
$too-big-to-whale-rgb: 152, 154, 169;
$too-big-to-whale-light: mix(#fff, $too-big-to-whale, 20%);
$too-big-to-whale-dark: mix(#000, $too-big-to-whale, 20%);

.element {
  color: $too-big-to-whale;
  box-shadow: 0 0 0 2px rgba($too-big-to-whale, 0.35);
}