About red-800
#9F0712 is red-800, a tailwind v4. This page shows its rgb(159, 7, 18) / hsl(355.66, 91.57%, 32.55%) / oklch(0.4446 0.1774 26.79) 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.