Color

#9729ff

#9729ff
hex#9729ff
rgbrgb(151, 41, 255)
hslhsl(271, 100%, 58%)
oklchoklch(0.572 0.28 300.1)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1539

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#90ff29

#2c29ff · #ff29fb

#ff9729 · #29ff97

Split-complementary

Open in tool →

#fbff29 · #29ff2c

#ff2c29 · #90ff29 · #29fbff

Contrast

#9729ff as textRatioAAAA largeAAAFix
Aaon white
5.15:1passpassfail
  • AAA: use #7700e6 as the text (7.17:1)
Aaon black
4.08:1failpassfail
  • AA: use #a13dff as the text (4.63:1)
  • AAA: use #bc75ff as the text (7.13:1)
  • AA: or shift the background to #f0f0f0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #9729ff as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#9729ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #9729ff
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #9729ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9729ff-b59cc4-c7cb62-2c1f2d-eae9f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md