Color

#6d3479

#6d3479
hex#6d3479
rgbrgb(109, 52, 121)
hslhsl(290, 40%, 34%)
oklchoklch(0.429 0.125 320.4)
Closest name: Galactic Grapevine (#6b327b)Relative luminance 0.0709

Colors that go with #6d3479

Charcoal, Taupe and Sea Green 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 →

#407934

#4b3479 · #793462

#796e34 · #34796e

Split-complementary

Open in tool →

#627934 · #34794b

#794b34 · #407934 · #346279

Contrast

#6d3479 as textRatioAAAA largeAAAFix
Aaon white
8.69:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #a554b6 as the text (4.54:1)
  • AAA: use #be82c9 as the text (7.23:1)
  • 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 #6d3479 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

#6d3479 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6d3479
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 #6d3479 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6d3479-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