Color

#6c4ea6

#6c4ea6
hex#6c4ea6
rgbrgb(108, 78, 166)
hslhsl(260, 36%, 48%)
oklchoklch(0.498 0.137 296.9)
Closest name: Passion Flower (#6f5698)Relative luminance 0.1139

Colors that go with #6c4ea6

Charcoal, Sea Green and Crimson 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 →

#89a64e

#4e5da6 · #984ea6

#a66c4e · #4ea66c

Split-complementary

Open in tool →

#a6984e · #5da64e

#a64e5d · #89a64e · #4ea698

Contrast

#6c4ea6 as textRatioAAAA largeAAAFix
Aaon white
6.41:1passpassfail
  • AAA: use #65499c as the text (7.03:1)
Aaon black
3.28:1failpassfail
  • AA: use #8166b7 as the text (4.52:1)
  • AAA: use #a18dc9 as the text (7.17:1)
  • AA: or shift the background to #d9d9d9 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6c4ea6 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

#6c4ea6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6c4ea6
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 #6c4ea6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6c4ea6-ae9cc4-dfc94e-2a1f2d-e9ebf1?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