Color

#81049a

#81049a
hex#81049a
rgbrgb(129, 4, 154)
hslhsl(290, 95%, 31%)
oklchoklch(0.443 0.211 319.1)
Closest name: darkmagenta (#8b008b)Relative luminance 0.0709

Colors that go with #81049a

Denim, Forest Green and Blue Violet lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d9a04

#36049a · #9a0468

#9a8104 · #049a81

Split-complementary

Open in tool →

#689a04 · #049a36

#9a3604 · #1d9a04 · #04689a

Contrast

#81049a as textRatioAAAA largeAAAFix
Aaon white
8.69:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #c406ea as the text (4.56:1)
  • AAA: use #e05bfb as the text (7.06:1)
  • AA: or shift the background to #bdbdbd (4.62:1)
  • AAA: or shift the background to #e8e8e8 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #81049a as the background.

Brands using this color

Fonts for this mood

#81049a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81049a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #81049a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81049a-bf9fc1-a6cb62-2d1f29-ece9f1?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