Color

#6729ae

#6729ae
hex#6729ae
rgbrgb(103, 41, 174)
hslhsl(268, 62%, 42%)
oklchoklch(0.446 0.196 299.4)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0753

Colors that go with #6729ae

Olive Green, Charcoal and Midnight Blue 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 →

#70ae29

#292dae · #a929ae

#ae6729 · #29ae67

Split-complementary

Open in tool →

#aea929 · #2dae29

#ae292d · #70ae29 · #29aea9

Contrast

#6729ae as textRatioAAAA largeAAAFix
Aaon white
8.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.51:1failfailfail
  • AA: use #9256d7 as the text (4.53:1)
  • AAA: use #af83e2 as the text (7.17:1)
  • AA: or shift the background to #bfbfbf (4.56:1)
  • AAA: or shift the background to #ebebeb (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6729ae as the background.

Brands using this color

Fonts for this mood

#6729ae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6729ae
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 #6729ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6729ae-b39cc4-dfdc4e-2c1f2d-e9eaf1?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