Color

#a103fc

#a103fc
hex#a103fc
rgbrgb(161, 3, 252)
hslhsl(278, 98%, 50%)
oklchoklch(0.568 0.294 304.9)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1467

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5efc03

#2403fc · #fc03db

#fca103 · #03fca1

Split-complementary

Open in tool →

#dbfc03 · #03fc24

#fc2403 · #5efc03 · #03dbfc

Contrast

#a103fc as textRatioAAAA largeAAAFix
Aaon white
5.34:1passpassfail
  • AAA: use #8702d4 as the text (7.02:1)
Aaon black
3.93:1failpassfail
  • AA: use #b02bfd as the text (4.61:1)
  • AAA: use #c86dfe as the text (7.07:1)
  • AA: or shift the background to #ededed (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a103fc 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

#a103fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a103fc
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 #a103fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a103fc-ba9cc4-bbcb62-2d1f2c-ebe9f1?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