#1C6551 · #574F7F
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 44/100 (clashing) · Distinguishable 41/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dark Teal and Muted Indigo are very different (ΔE 53). They have distinctly different hues (86° apart) and their lightness is similar, so they read as two same-weight colours.
Dark Teal text on Muted Indigo: 1.07:1 (Fail); Muted Indigo text on Dark Teal: 1.07:1 (Fail). Neither meets AA at body size — nudging one color to #92D8BF clears it.
Clashing — awkward hue gap — tends to clash (harmony 44/100). 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 #92D8BF clears AA.
Their CIE76 ΔE is about 53 — very different.
clearly different colours (ΔE 53).
Explore each color: Dark Teal #1C6551 · Muted Indigo #574F7F · Shades: Dark Teal shades · Muted Indigo shades · Contrast checker →