#0000FF · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 82/100 (aaa) · Harmony 100/100 (triadic) · Distinguishable 98/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Blue and White are very different (ΔE 150). They have distinctly different hues (120° apart) and their lightness is different, giving a clear light/dark split.
Blue text on White: 8.59:1 (AAA); White text on Blue: 8.59:1 (AAA). Both directions meet WCAG AA.
Triadic — triadic — a recognised, balanced pairing (harmony 100/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Yes — 8.6:1, which meets WCAG AA.
Their CIE76 ΔE is about 150 — very different.
clearly different colours (ΔE 150).
Explore each color: Blue #0000FF · White #FFFFFF · Shades: Blue shades · White shades · Contrast checker →