Color

#6b4cdc

#6b4cdc
hex#6b4cdc
rgbrgb(107, 76, 220)
hslhsl(253, 67%, 58%)
oklchoklch(0.533 0.208 287)
Closest name: slateblue (#6a5acd)Relative luminance 0.1346

Colors that go with #6b4cdc

Charcoal, Sea Green and Amber 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 →

#bddc4c

#4c75dc · #b34cdc

#dc6b4c · #4cdc6b

Split-complementary

Open in tool →

#dcb34c · #75dc4c

#dc4c75 · #bddc4c · #4cdcb3

Contrast

#6b4cdc as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #5a37d7 as the text (7.09:1)
Aaon black
3.69:1failpassfail
  • AA: use #7d61e0 as the text (4.66:1)
  • AAA: use #9c88e7 as the text (7.09:1)
  • AA: or shift the background to #e6e6e6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b4cdc 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

#6b4cdc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b4cdc
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 #6b4cdc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b4cdc-a99cc4-dfb84e-281f2d-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