#0A231E · #201B2B
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 48/100 (triadic (soft)) · Distinguishable 18/100 (hard to tell apart) · Match 54/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Teal and Deep Muted Indigo are a clear pair (ΔE 21). They have distinctly different hues (91° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Teal text on Deep Muted Indigo: 1.02:1 (Fail); Deep Muted Indigo text on Deep Teal: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #6F8A83 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 48/100). 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 #6F8A83 clears AA.
Their CIE76 ΔE is about 21 — a clear pair.
clearly different colours (ΔE 21).
Explore each color: Deep Teal #0A231E · Deep Muted Indigo #201B2B · Shades: Deep Teal shades · Deep Muted Indigo shades · Contrast checker →