#0C4437 · #3B3457
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 37/100 (clashing) · Distinguishable 36/100 (hard to tell apart) · Match 11/100 (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 41). They have distinctly different hues (86° 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 #78AC9C clears it.
Clashing — awkward hue gap — tends to clash (harmony 37/100). 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 #78AC9C clears AA.
Their CIE76 ΔE is about 41 — very different.
clearly different colours (ΔE 41).
Explore each color: Deep Teal #0C4437 · Dark Dusty Indigo #3B3457 · Shades: Deep Teal shades · Dark Dusty Indigo shades · Contrast checker →