#299E91 · #987ABC
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 61/100 (triadic (soft)) · Distinguishable 62/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Cadet Blue and Dusty Indigo are very different (ΔE 66). They have distinctly different hues (94° apart) and their lightness is different, giving a clear light/dark split.
Cadet Blue text on Dusty Indigo: 1.09:1 (Fail); Dusty Indigo text on Cadet Blue: 1.09:1 (Fail). Neither meets AA at body size — nudging one color to #002521 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 61/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #002521 clears AA.
Their CIE76 ΔE is about 66 — very different.
clearly different colours (ΔE 66).
Explore each color: Cadet Blue #299E91 · Dusty Indigo #987ABC · Shades: Cadet Blue shades · Dusty Indigo shades · Contrast checker →