Color

#6c64fc

#6c64fc
hex#6c64fc
rgbrgb(108, 100, 252)
hslhsl(243, 96%, 69%)
oklchoklch(0.597 0.219 279.8)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.1933

Colors that go with #6c64fc

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 →

#f4fc64

#64a8fc · #b864fc

#fc6c64 · #64fc6c

Split-complementary

Open in tool →

#fcb864 · #a8fc64

#fc64a8 · #f4fc64 · #64fcb8

Contrast

#6c64fc as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #675ffc as the text (4.55:1)
  • AAA: use #372dfb as the text (7.17:1)
  • AA: or shift the background to #0d0d0d (4.5:1)
Aaon black
4.87:1passpassfail
  • AAA: use #8d87fd as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6c64fc as the background.

Brands using this color

Fonts for this mood

#6c64fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6c64fc
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 #6c64fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6c64fc-a39cc4-dfa04e-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