Color

#6d299e

#6d299e
hex#6d299e
rgbrgb(109, 41, 158)
hslhsl(275, 59%, 39%)
oklchoklch(0.441 0.18 306.9)
Closest name: rebeccapurple (#663399)Relative luminance 0.0731

Colors that go with #6d299e

Denim, Olive Green and Charcoal 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 →

#5a9e29

#33299e · #9e2994

#9e6d29 · #299e6d

Split-complementary

Open in tool →

#949e29 · #299e33

#9e3329 · #5a9e29 · #29949e

Contrast

#6d299e as textRatioAAAA largeAAAFix
Aaon white
8.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.46:1failfailfail
  • AA: use #9c51d2 as the text (4.52:1)
  • AAA: use #b881df as the text (7.24:1)
  • AA: or shift the background to #bdbdbd (4.54:1)
  • AAA: or shift the background to #ebebeb (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6d299e 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

#6d299e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6d299e
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 #6d299e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6d299e-b89cc4-c0cb62-2d1f2d-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