#6700CF · #8B0097
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 98/100 (analogous) · Distinguishable 74/100 (easy to tell apart) · Match 22/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Vivid Indigo and Dark Magenta are very different (ΔE 35). They have distinctly different hues (25° apart) and their lightness is similar, so they read as two same-weight colours.
Vivid Indigo text on Dark Magenta: 1.03:1 (Fail); Dark Magenta text on Vivid Indigo: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #C6B5FF clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 98/100). 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 #C6B5FF clears AA.
Their CIE76 ΔE is about 35 — very different.
clearly different colours (ΔE 35).
Explore each color: Vivid Indigo #6700CF · Dark Magenta #8B0097 · Shades: Vivid Indigo shades · Dark Magenta shades · Contrast checker →