Color

#685ba9

#685ba9
hex#685ba9
rgbrgb(104, 91, 169)
hslhsl(250, 31%, 51%)
oklchoklch(0.52 0.12 289.2)
Closest name: Passion Flower (#6f5698)Relative luminance 0.1329

Colors that go with #685ba9

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 →

#9ca95b

#5b75a9 · #8f5ba9

#a9685b · #5ba968

Split-complementary

Open in tool →

#a98f5b · #75a95b

#a95b75 · #9ca95b · #5ba98f

Contrast

#685ba9 as textRatioAAAA largeAAAFix
Aaon white
5.74:1passpassfail
  • AAA: use #594d93 as the text (7.22:1)
Aaon black
3.66:1failpassfail
  • AA: use #786cb2 as the text (4.59:1)
  • AAA: use #9991c5 as the text (7.21:1)
  • AA: or shift the background to #e6e6e6 (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 #685ba9 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 #685ba9
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 #685ba9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/685ba9-a79cc4-dfb14e-281f2d-e9ecf1?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