Color

#6c63ab

#6c63ab
hex#6c63ab
rgbrgb(108, 99, 171)
hslhsl(248, 30%, 53%)
oklchoklch(0.54 0.111 287.8)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1505

Colors that go with #6c63ab

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 →

#a2ab63

#637eab · #9163ab

#ab6d63 · #63ab6d

Split-complementary

Open in tool →

#ab9163 · #7eab63

#ab637e · #a2ab63 · #63ab91

Contrast

#6c63ab as textRatioAAAA largeAAAFix
Aaon white
5.24:1passpassfail
  • AAA: use #584f92 as the text (7.12:1)
Aaon black
4.01:1failpassfail
  • AA: use #766db0 as the text (4.58:1)
  • AAA: use #9892c4 as the text (7.24:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6c63ab as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #6c63ab
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 #6c63ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6c63ab-a69cc4-dfac4e-271f2d-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