About slate-200
#E2E8F0 is slate-200, a tailwind v4. This page shows its rgb(226, 232, 240) / hsl(214.29, 31.82%, 91.37%) / oklch(0.9288 0.0126 255.51) 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.