Color

#a431fc

#a431fc
hex#a431fc
rgbrgb(164, 49, 252)
hslhsl(274, 97%, 59%)
oklchoklch(0.591 0.274 304.4)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1712

Tints & shades

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

Harmonies

Complementary

Open in tool →

#89fc31

#3f31fc · #fc31ee

#fca431 · #31fca4

Split-complementary

Open in tool →

#eefc31 · #31fc3f

#fc3f31 · #89fc31 · #31eefc

Contrast

#a431fc as textRatioAAAA largeAAAFix
Aaon white
4.75:1passpassfail
  • AAA: use #7f03dd as the text (7.1:1)
Aaon black
4.42:1failpassfail
  • AA: use #a636fc as the text (4.55:1)
  • AAA: use #c172fd as the text (7.09:1)
  • AA: or shift the background to #fafafa (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a431fc 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

#a431fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a431fc
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 #a431fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a431fc-b79cc4-c2cb62-2d1f2d-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