#3F5581 · #584D7D
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 99/100 (analogous) · Distinguishable 39/100 (hard to tell apart) · Match 75/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dusty Blue and Muted Indigo are a clear pair (ΔE 11). They have distinctly different hues (34° apart) and their lightness is similar, so they read as two same-weight colours.
Dusty Blue text on Muted Indigo: 1.02:1 (Fail); Muted Indigo text on Dusty Blue: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #AEC9FB clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 99/100). 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 #AEC9FB clears AA.
Their CIE76 ΔE is about 11 — a clear pair.
clearly different colours (ΔE 11).
Explore each color: Dusty Blue #3F5581 · Muted Indigo #584D7D · Shades: Dusty Blue shades · Muted Indigo shades · Contrast checker →