Color

#6c71ac

#6c71ac
hex#6c71ac
rgbrgb(108, 113, 172)
hslhsl(235, 28%, 55%)
oklchoklch(0.569 0.091 279.4)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1798

Colors that go with #6c71ac

Charcoal, Copper and Sea Green 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 →

#aca76c

#6c92ac · #876cac

#ac6c71 · #71ac6c

Split-complementary

Open in tool →

#ac876c · #92ac6c

#ac6c92 · #aca76c · #6cac87

Contrast

#6c71ac as textRatioAAAA largeAAAFix
Aaon white
4.57:1passpassfail
  • AAA: use #4f548c as the text (7.05:1)
Aaon black
4.6:1passpassfail
  • AAA: use #9094c1 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6c71ac 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 #6c71ac
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 #6c71ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6c71ac-9e9cc4-df8d4e-241f2d-e9eef1?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