#BBDEF8 · #CBD8FC
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 87/100 (analogous) · Distinguishable 16/100 (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.
Powder Blue and Periwinkle are very close (ΔE 9). They have closely related hues (19° apart) and their lightness is similar, so they read as two same-weight colours.
Powder Blue text on Periwinkle: 1.01:1 (Fail); Periwinkle text on Powder Blue: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #436279 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 87/100). 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 #436279 clears AA.
Their CIE76 ΔE is about 9 — very close.
close but visibly different (ΔE 9.2).
Explore each color: Powder Blue #BBDEF8 · Periwinkle #CBD8FC · Shades: Powder Blue shades · Periwinkle shades · Contrast checker →