#00484B · #0E445A
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 79/100 (analogous) · Distinguishable 10/100 (hard to tell apart) · Match 69/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dark Slate Gray and Charcoal are a clear pair (ΔE 14). They have closely related hues (15° apart) and their lightness is similar, so they read as two same-weight colours.
Dark Slate Gray text on Charcoal: 1.02:1 (Fail); Charcoal text on Dark Slate Gray: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #78B4B6 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 79/100). 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 #78B4B6 clears AA.
Their CIE76 ΔE is about 14 — a clear pair.
clearly different colours (ΔE 14).
Explore each color: Dark Slate Gray #00484B · Charcoal #0E445A · Shades: Dark Slate Gray shades · Charcoal shades · Contrast checker →