#0A4339 · #3D3254
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 46/100 (triadic (soft)) · Distinguishable 40/100 (somewhat similar) · Match 14/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Teal and Dark Dusty Indigo are very different (ΔE 39). They have distinctly different hues (90° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Teal text on Dark Dusty Indigo: 1.05:1 (Fail); Dark Dusty Indigo text on Deep Teal: 1.05:1 (Fail). Neither meets AA at body size — nudging one color to #76AB9E clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 46/100). 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 #76AB9E clears AA.
Their CIE76 ΔE is about 39 — very different.
clearly different colours (ΔE 39).
Explore each color: Deep Teal #0A4339 · Dark Dusty Indigo #3D3254 · Shades: Deep Teal shades · Dark Dusty Indigo shades · Contrast checker →