#2C3C5B · #3D3658
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 99/100 (analogous) · Distinguishable 30/100 (hard to tell apart) · Match 81/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Charcoal and Dark Muted Indigo are very close (ΔE 9). They have distinctly different hues (33° apart) and their lightness is similar, so they read as two same-weight colours.
Charcoal text on Dark Muted Indigo: 1.02:1 (Fail); Dark Muted Indigo text on Charcoal: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #91A5C9 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 99/100). 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 #91A5C9 clears AA.
Their CIE76 ΔE is about 9 — very close.
close but visibly different (ΔE 8.6).
Explore each color: Charcoal #2C3C5B · Dark Muted Indigo #3D3658 · Shades: Charcoal shades · Dark Muted Indigo shades · Contrast checker →