Color

#6b64ce

#6b64ce
hex#6b64ce
rgbrgb(107, 100, 206)
hslhsl(244, 52%, 60%)
oklchoklch(0.563 0.159 283)
Closest name: slateblue (#6a5acd)Relative luminance 0.167

Colors that go with #6b64ce

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 →

#c7ce64

#6492ce · #a064ce

#ce6b64 · #64ce6b

Split-complementary

Open in tool →

#cea064 · #92ce64

#ce6492 · #c7ce64 · #64cea0

Contrast

#6b64ce as textRatioAAAA largeAAAFix
Aaon white
4.84:1passpassfail
  • AAA: use #4d45c4 as the text (7.09:1)
Aaon black
4.34:1failpassfail
  • AA: use #6f68cf as the text (4.56:1)
  • AAA: use #948fdc as the text (7.22:1)
  • AA: or shift the background to #f7f7f7 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b64ce 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

#6b64ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b64ce
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 #6b64ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b64ce-a39cc4-dfa24e-261f2d-e9edf1?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