#3B548A · #823F3B
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 94/100 (split-complementary) · Distinguishable 93/100 (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 Chestnut are very different (ΔE 53). They have distinctly different hues (142° apart) and their lightness is similar, so they read as two same-weight colours.
Dusty Blue text on Chestnut: 1.04:1 (Fail); Chestnut text on Dusty Blue: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #ABC7FF clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 94/100). 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 #ABC7FF clears AA.
Their CIE76 ΔE is about 53 — very different.
clearly different colours (ΔE 53).
Explore each color: Dusty Blue #3B548A · Chestnut #823F3B · Shades: Dusty Blue shades · Chestnut shades · Contrast checker →