Color

#6b56bd

#6b56bd
hex#6b56bd
rgbrgb(107, 86, 189)
hslhsl(252, 44%, 54%)
oklchoklch(0.526 0.155 289.3)
Closest name: slateblue (#6a5acd)Relative luminance 0.1346

Colors that go with #6b56bd

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 →

#a9bd56

#5675bd · #9e56bd

#bd6b56 · #56bd6b

Split-complementary

Open in tool →

#bd9e56 · #75bd56

#bd5675 · #a9bd56 · #56bd9e

Contrast

#6b56bd as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #5c46b4 as the text (7.02:1)
Aaon black
3.69:1failpassfail
  • AA: use #7b68c4 as the text (4.62:1)
  • AAA: use #9b8dd3 as the text (7.14:1)
  • 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 #6b56bd 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

#6b56bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b56bd
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 #6b56bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b56bd-a99cc4-dfb64e-281f2d-e9ecf1?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