#0093D6 · #5B7CFF
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 100/100 (analogous) · Distinguishable 38/100 (hard to tell apart) · Match 1/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
KahuBlue and Vivid Blue are very different (ΔE 45). They have distinctly different hues (29° apart) and their lightness is different, giving a clear light/dark split.
KahuBlue text on Vivid Blue: 1.06:1 (Fail); Vivid Blue text on KahuBlue: 1.06:1 (Fail). Neither meets AA at body size — nudging one color to #002137 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 100/100). 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 #002137 clears AA.
Their CIE76 ΔE is about 45 — very different.
clearly different colours (ΔE 45).
Explore each color: KahuBlue #0093D6 · Vivid Blue #5B7CFF · Shades: KahuBlue shades · Vivid Blue shades · Contrast checker →