Indigo vs Purple

What is the difference between Indigo and Purple?

Comparing Indigo (#4B0082) and Purple (#800080) 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 Indigo vs Purple

From a design standpoint, these colors serve different layout roles. The darker Indigo is excellent for text elements, borders, and structural divs to anchor the page, whereas the more luminous Purple 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.

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

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

Technical Specifications Comparison

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

Individual Color References

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