#5F7FF3 · #9A6BE3
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 96/100 (analogous) · Distinguishable 60/100 (somewhat similar) · Match 53/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Vivid Blue and Medium Purple are a clear pair (ΔE 21). They have distinctly different hues (36° apart) and their lightness is similar, so they read as two same-weight colours.
Vivid Blue text on Medium Purple: 1.04:1 (Fail); Medium Purple text on Vivid Blue: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #0D006D 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 #0D006D clears AA.
Their CIE76 ΔE is about 21 — a clear pair.
clearly different colours (ΔE 21).
Explore each color: Vivid Blue #5F7FF3 · Medium Purple #9A6BE3 · Shades: Vivid Blue shades · Medium Purple shades · Contrast checker →