Color

#6463ab

#6463ab
hex#6463ab
rgbrgb(100, 99, 171)
hslhsl(241, 30%, 53%)
oklchoklch(0.534 0.111 282.6)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1457

Colors that go with #6463ab

Charcoal, Amber and Blue 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 →

#aaab63

#6386ab · #8863ab

#ab6463 · #63ab64

Split-complementary

Open in tool →

#ab8863 · #86ab63

#ab6386 · #aaab63 · #63ab88

Contrast

#6463ab as textRatioAAAA largeAAAFix
Aaon white
5.36:1passpassfail
  • AAA: use #515095 as the text (7.16:1)
Aaon black
3.91:1failpassfail
  • AA: use #7270b2 as the text (4.68:1)
  • AAA: use #9292c4 as the text (7.13:1)
  • AA: or shift the background to #ededed (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6463ab 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 #6463ab
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 #6463ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6463ab-a19cc4-df9b4e-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