#CDCAEF · #ECC6B2
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 81/100 (split-complementary) · Distinguishable 67/100 (somewhat similar) · Match 27/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Periwinkle and Soft Pink are very different (ΔE 33). They have distinctly different hues (136° apart) and their lightness is similar, so they read as two same-weight colours.
Periwinkle text on Soft Pink: 1.00:1 (Fail); Soft Pink text on Periwinkle: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #585474 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 81/100). 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 #585474 clears AA.
Their CIE76 ΔE is about 33 — very different.
clearly different colours (ΔE 33).
Explore each color: Periwinkle #CDCAEF · Soft Pink #ECC6B2 · Shades: Periwinkle shades · Soft Pink shades · Contrast checker →