About blue-100
#DBEAFE is blue-100, a tailwind v4. This page shows its rgb(219, 234, 254) / hsl(214.29, 94.59%, 92.75%) / oklch(0.9319 0.0316 255.59) 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.