#D9CDF2 · #E9C8E4
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 67/100 (analogous (soft)) · Distinguishable 35/100 (hard to tell apart) · Match 80/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Periwinkle and Thistle are very close (ΔE 9). They have distinctly different hues (50° apart) and their lightness is similar, so they read as two same-weight colours.
Periwinkle text on Thistle: 1.01:1 (Fail); Thistle text on Periwinkle: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #605575 clears it.
Analogous (soft) — workable but not a textbook harmony (harmony 67/100). 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 #605575 clears AA.
Their CIE76 ΔE is about 9 — very close.
close but visibly different (ΔE 8.9).
Explore each color: Periwinkle #D9CDF2 · Thistle #E9C8E4 · Shades: Periwinkle shades · Thistle shades · Contrast checker →