#4B7CC2 · #578C41
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 100/100 (triadic) · Distinguishable 78/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Steel Blue and Basil are very different (ΔE 85). They have distinctly different hues (113° apart) and their lightness is similar, so they read as two same-weight colours.
Steel Blue text on Basil: 1.05:1 (Fail); Basil text on Steel Blue: 1.05:1 (Fail). Neither meets AA at body size — nudging one color to #00133D clears it.
Triadic — triadic — 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 #00133D clears AA.
Their CIE76 ΔE is about 85 — very different.
clearly different colours (ΔE 85).
Explore each color: Steel Blue #4B7CC2 · Basil #578C41 · Shades: Steel Blue shades · Basil shades · Contrast checker →