#3A5489 · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 81/100 (aaa) · Harmony 96/100 (split-complementary) · Distinguishable 99/100 (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.
Dusty Blue and White are very different (ΔE 72). They have distinctly different hues (140° apart) and their lightness is different, giving a clear light/dark split.
Dusty Blue text on White: 7.48:1 (AAA); White text on Dusty Blue: 7.48:1 (AAA). Both directions meet WCAG AA.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 96/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Yes — 7.5:1, which meets WCAG AA.
Their CIE76 ΔE is about 72 — very different.
clearly different colours (ΔE 72).
Explore each color: Dusty Blue #3A5489 · White #FFFFFF · Shades: Dusty Blue shades · White shades · Contrast checker →