Color

#686dac

#686dac
hex#686dac
rgbrgb(104, 109, 172)
hslhsl(236, 29%, 54%)
oklchoklch(0.558 0.097 279.3)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1686

Colors that go with #686dac

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 →

#aca768

#688eac · #8568ac

#ac686c · #6cac68

Split-complementary

Open in tool →

#ac8568 · #8eac68

#ac688e · #aca768 · #68ac85

Contrast

#686dac as textRatioAAAA largeAAAFix
Aaon white
4.8:1passpassfail
  • AAA: use #4e528d as the text (7.2:1)
Aaon black
4.37:1failpassfail
  • AA: use #6b6fae as the text (4.51:1)
  • AAA: use #8f93c1 as the text (7.11:1)
  • AA: or shift the background to #fafafa (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #686dac 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 #686dac
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 #686dac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/686dac-9e9cc4-df8f4e-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