Ten combinations ranked by measurable criteria — hue harmony, WCAG contrast with indigo, lightness spread and saturation compatibility. Every pairing lists why it works.
Pairings are scored against hue-harmony angles (0°/30°/60°/90°/120°/150°/180°), WCAG contrast ratio with indigo, lightness separation and saturation/chroma compatibility. Near-identical colors (ΔE₀₀ < 3.5) are excluded — every entry adds real information.
FAQ
What colors go with indigo?
Violet (CSS), Purply Pink, Butterscotch, Gold and Yellow Green rank highest for indigo (#4B0082) by hue harmony, contrast and saturation compatibility. The full ranked list is on this page with the reasoning for each pairing.
What is the complementary color of indigo?
The complementary hue of indigo (hue 275°) sits at hue 95°. The closest named colors on that side of the wheel are listed in the combinations above.
Is indigo a warm or cool color?
Indigo is a cool color (hue 275°). It pairs naturally with crisp whites and cool grays.