Color

#6b68ac

#6b68ac
hex#6b68ac
rgbrgb(107, 104, 172)
hslhsl(243, 29%, 54%)
oklchoklch(0.55 0.104 284.4)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.16

Colors that go with #6b68ac

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 →

#a8ac68

#6886ac · #8d68ac

#ac6b68 · #68ac6b

Split-complementary

Open in tool →

#ac8d68 · #86ac68

#ac6886 · #a8ac68 · #68ac8d

Contrast

#6b68ac as textRatioAAAA largeAAAFix
Aaon white
5:1passpassfail
  • AAA: use #555194 as the text (7.02:1)
Aaon black
4.2:1failpassfail
  • AA: use #726eaf as the text (4.56:1)
  • AAA: use #9592c3 as the text (7.18:1)
  • AA: or shift the background to #f5f5f5 (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 #6b68ac 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 #6b68ac
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 #6b68ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b68ac-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