Color

#686eac

#686eac
hex#686eac
rgbrgb(104, 110, 172)
hslhsl(235, 29%, 54%)
oklchoklch(0.56 0.096 278.6)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1707

Colors that go with #686eac

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 →

#aca668

#688fac · #8468ac

#ac686d · #6dac68

Split-complementary

Open in tool →

#ac8468 · #8fac68

#ac688f · #aca668 · #68ac84

Contrast

#686eac as textRatioAAAA largeAAAFix
Aaon white
4.76:1passpassfail
  • AAA: use #4e538d as the text (7.13:1)
Aaon black
4.41:1failpassfail
  • AA: use #6b71ae as the text (4.6:1)
  • AAA: use #8f93c1 as the text (7.11:1)
  • AA: or shift the background to #fafafa (4.56:1)

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

tool url/palettes/new/686eac-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