blue-500 — Tailwind v4.
WCAG 2.2 AA requires 4.5:1 for normal text and 3:1 for large text. Check any pair →
An 11-stop OKLCH ramp through blue-500 (the same engine as the theme builder). Click any stop to open its page.
Protanopia
Deuteranopia
Tritanopia
Achromatopsia
How blue-500 appears to viewers with each color-vision deficiency. Full simulator →
#3280FF is blue-500, a tailwind v4. This page shows its rgb(50, 128, 255) / hsl(217.17, 99.99%, 59.8%) / oklch(0.6225 0.2041 259.9) 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.