#D3DDD6 · #E4D7D4
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 96/100 (triadic) · Distinguishable 23/100 (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.
PeriwinkleTint and Gainsboro are very close (ΔE 9). They have distinctly different hues (127° apart) and their lightness is similar, so they read as two same-weight colours.
PeriwinkleTint text on Gainsboro: 1.01:1 (Fail); Gainsboro text on PeriwinkleTint: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #59625C clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 96/100). 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 #59625C clears AA.
Their CIE76 ΔE is about 9 — very close.
close but visibly different (ΔE 8.6).
Explore each color: PeriwinkleTint #D3DDD6 · Gainsboro #E4D7D4 · Shades: PeriwinkleTint shades · Gainsboro shades · Contrast checker →