Color

#686783

#686783
hex#686783
rgbrgb(104, 103, 131)
hslhsl(242, 12%, 46%)
oklchoklch(0.525 0.044 286.4)
Closest name: Dark Prince (#6b6c89)Relative luminance 0.1428

Colors that go with #686783

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.

Real palettes that use #686783

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#828367

#677483 · #766783

#836867 · #678368

Split-complementary

Open in tool →

#837667 · #748367

#836774 · #828367 · #678376

Contrast

#686783 as textRatioAAAA largeAAAFix
Aaon white
5.45:1passpassfail
  • AAA: use #56556d as the text (7.2:1)
Aaon black
3.86:1failpassfail
  • AA: use #747391 as the text (4.6:1)
  • AAA: use #9695ac as the text (7.19:1)
  • AA: or shift the background to #ebebeb (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #686783 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 #686783
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 #686783 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/686783-a29cc4-df9e4e-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