About zinc-600
#52525C is zinc-600, a tailwind v4. This page shows its rgb(82, 82, 92) / hsl(240, 5.75%, 34.12%) / oklch(0.4422 0.0162 285.72) 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.