Purple vs Indigo

What is the difference between Purple and Indigo?

Comparing Purple (#800080) and Indigo (#4B0082) reveals interesting optical contrasts. There is minimal difference in saturation, indicating both hues carry a comparable level of purity. They share almost the same luminance, meaning their brightness level is equivalent. Sitting near each other on the spectrum (25° apart), they offer a smooth visual flow.

Design recommendations for Purple vs Indigo

From a design standpoint, these colors serve different layout roles. The darker Purple is excellent for text elements, borders, and structural divs to anchor the page, whereas the more luminous Indigo works best for highlights, background sections, or notification badges. Ensure contrast checks are verified for text readability.

Readability & Contrast Testing

Visual test showing black and white text overlay readability on both colors.

Purple Typography

Preview of dark and light text elements rendered over a solid Purple background canvas.

White Text: 9.42:1 Black Text: 2.23:1

Indigo Typography

Preview of dark and light text elements rendered over a solid Indigo background canvas.

White Text: 12.95:1 Black Text: 1.62:1

Technical Specifications Comparison

Format / Value Purple Indigo Delta / Difference
HEX Code #800080 #4B0082 -
RGB Channels rgb(128, 0, 128) rgb(75, 0, 130) R:-53 | G:0 | B:+2
HSL Values hsl(300°, 100%, 25%) hsl(275°, 100%, 25%) H:-25° | S:0% | L:0%
CMYK (Print) cmyk(0%, 100%, 0%, 50%) cmyk(42%, 100%, 0%, 49%) -

Individual Color References

Purple Reference Sheet HEX, RGB, HSL and print codes
Indigo Reference Sheet HEX, RGB, HSL and print codes
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