#2A3B5A · #2A4326
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 86/100 (triadic) · Distinguishable 47/100 (somewhat similar) · Match 11/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Charcoal and Dark Dusty Green are very different (ΔE 40). They have distinctly different hues (107° apart) and their lightness is similar, so they read as two same-weight colours.
Charcoal text on Dark Dusty Green: 1.03:1 (Fail); Dark Dusty Green text on Charcoal: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #93A8CC clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 86/100). 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 #93A8CC clears AA.
Their CIE76 ΔE is about 40 — very different.
clearly different colours (ΔE 40).
Explore each color: Charcoal #2A3B5A · Dark Dusty Green #2A4326 · Shades: Charcoal shades · Dark Dusty Green shades · Contrast checker →