#0D4438 · #3C3456
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 39/100 (clashing) · Distinguishable 35/100 (hard to tell apart) · Match 13/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Teal and Dark Muted Indigo are very different (ΔE 39). They have distinctly different hues (87° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Teal text on Dark Muted Indigo: 1.05:1 (Fail); Dark Muted 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 39/100). 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 39 — very different.
clearly different colours (ΔE 39).
Explore each color: Deep Teal #0D4438 · Dark Muted Indigo #3C3456 · Shades: Deep Teal shades · Dark Muted Indigo shades · Contrast checker →