#DDD2EE · #E9CFE3
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 65/100 (analogous (soft)) · Distinguishable 27/100 (hard to tell apart) · Match 85/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Periwinkle and Gainsboro are very close (ΔE 7). They have distinctly different hues (50° apart) and their lightness is similar, so they read as two same-weight colours.
Periwinkle text on Gainsboro: 1.00:1 (Fail); Gainsboro text on Periwinkle: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #635972 clears it.
Analogous (soft) — workable but not a textbook harmony (harmony 65/100). 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 #635972 clears AA.
Their CIE76 ΔE is about 7 — very close.
close but visibly different (ΔE 6.8).
Explore each color: Periwinkle #DDD2EE · Gainsboro #E9CFE3 · Shades: Periwinkle shades · Gainsboro shades · Contrast checker →