#026453 · #594B7E
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 45/100 (triadic (soft)) · Distinguishable 55/100 (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 Vivid Teal and Dusty Indigo are very different (ΔE 56). They have distinctly different hues (87° apart) and their lightness is similar, so they read as two same-weight colours.
Dark Vivid Teal text on Dusty Indigo: 1.08:1 (Fail); Dusty Indigo text on Dark Vivid Teal: 1.08:1 (Fail). Neither meets AA at body size — nudging one color to #86D5C1 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 45/100). 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 #86D5C1 clears AA.
Their CIE76 ΔE is about 56 — very different.
clearly different colours (ΔE 56).
Explore each color: Dark Vivid Teal #026453 · Dusty Indigo #594B7E · Shades: Dark Vivid Teal shades · Dusty Indigo shades · Contrast checker →