About zinc-800
#27272A is zinc-800, a tailwind v4. This page shows its rgb(39, 39, 42) / hsl(240, 3.7%, 15.88%) / oklch(0.2739 0.0055 286.03) values, WCAG contrast against black and white, an OKLCH tint-and-shade ramp, and complementary, analogous, and triadic harmonies — all computed in perceptually-uniform OKLCH.