#0A4539 · #3D3457
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 40/100 (clashing) · Distinguishable 39/100 (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 (88° 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 #76AD9D clears it.
Clashing — awkward hue gap — tends to clash (harmony 40/100). 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 #76AD9D clears AA.
Their CIE76 ΔE is about 41 — very different.
clearly different colours (ΔE 41).
Explore each color: Deep Teal #0A4539 · Dark Dusty Indigo #3D3457 · Shades: Deep Teal shades · Dark Dusty Indigo shades · Contrast checker →