#00444A · #03405B
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 76/100 (analogous) · Distinguishable 14/100 (hard to tell apart) · Match 66/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Charcoal and Deep Vivid Cyan are a clear pair (ΔE 15). They have closely related hues (14° apart) and their lightness is similar, so they read as two same-weight colours.
Charcoal text on Deep Vivid Cyan: 1.02:1 (Fail); Deep Vivid Cyan text on Charcoal: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #75AFB5 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 76/100). 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 #75AFB5 clears AA.
Their CIE76 ΔE is about 15 — a clear pair.
clearly different colours (ΔE 15).
Explore each color: Charcoal #00444A · Deep Vivid Cyan #03405B · Shades: Charcoal shades · Deep Vivid Cyan shades · Contrast checker →