#3E5683 · #7D4442
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 95/100 (split-complementary) · Distinguishable 87/100 (easy to tell apart) · Match 2/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dusty Blue and Dusty Red are very different (ΔE 45). They have distinctly different hues (143° apart) and their lightness is similar, so they read as two same-weight colours.
Dusty Blue text on Dusty Red: 1.03:1 (Fail); Dusty Red text on Dusty Blue: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #ACC9FC clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 95/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #ACC9FC clears AA.
Their CIE76 ΔE is about 45 — very different.
clearly different colours (ΔE 45).
Explore each color: Dusty Blue #3E5683 · Dusty Red #7D4442 · Shades: Dusty Blue shades · Dusty Red shades · Contrast checker →