#3C91C6 · #80923C
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 91/100 (triadic) · Distinguishable 92/100 (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 Olive Drab are very different (ΔE 78). They have distinctly different hues (130° apart) and their lightness is similar, so they read as two same-weight colours.
Steel Blue text on Olive Drab: 1.01:1 (Fail); Olive Drab text on Steel Blue: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #00263E clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 91/100). 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 #00263E clears AA.
Their CIE76 ΔE is about 78 — very different.
clearly different colours (ΔE 78).
Explore each color: Steel Blue #3C91C6 · Olive Drab #80923C · Shades: Steel Blue shades · Olive Drab shades · Contrast checker →