Color

#686ab6

#686ab6
hex#686ab6
rgbrgb(104, 106, 182)
hslhsl(238, 35%, 56%)
oklchoklch(0.557 0.117 280.8)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1663

Colors that go with #686ab6

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 →

#b6b368

#6891b6 · #8c68b6

#b6686a · #6ab668

Split-complementary

Open in tool →

#b68c68 · #91b668

#b66891 · #b6b368 · #68b68c

Contrast

#686ab6 as textRatioAAAA largeAAAFix
Aaon white
4.85:1passpassfail
  • AAA: use #4c4f9e as the text (7.19:1)
Aaon black
4.33:1failpassfail
  • AA: use #6b6eb8 as the text (4.55:1)
  • AAA: use #9193ca as the text (7.23:1)
  • AA: or shift the background to #f7f7f7 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #686ab6 as the background.

Brands using this color

Fonts for this mood

#686ab6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #686ab6
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 #686ab6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/686ab6-9f9cc4-df944e-251f2d-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