#7868D5 · #A158BA
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 96/100 (analogous) · Distinguishable 57/100 (somewhat similar) · Match 57/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Medium Slate Blue and Amethyst are a clear pair (ΔE 19). They have distinctly different hues (36° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Slate Blue text on Amethyst: 1.03:1 (Fail); Amethyst text on Medium Slate Blue: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #FEFEFF clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 96/100). 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 #FEFEFF clears AA.
Their CIE76 ΔE is about 19 — a clear pair.
clearly different colours (ΔE 19).
Explore each color: Medium Slate Blue #7868D5 · Amethyst #A158BA · Shades: Medium Slate Blue shades · Amethyst shades · Contrast checker →