Color

#686a87

#686a87
hex#686a87
rgbrgb(104, 106, 135)
hslhsl(236, 13%, 47%)
oklchoklch(0.534 0.045 281.7)
Closest name: Dark Prince (#6b6c89)Relative luminance 0.15

Colors that go with #686a87

Charcoal, Amber and Champagne 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 #686a87

Tints & shades

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

Harmonies

Complementary

Open in tool →

#878568

#687a87 · #766887

#87686a · #6a8768

Split-complementary

Open in tool →

#877668 · #7a8768

#87687a · #878568 · #688776

Contrast

#686a87 as textRatioAAAA largeAAAFix
Aaon white
5.25:1passpassfail
  • AAA: use #54566d as the text (7.17:1)
Aaon black
4:1failpassfail
  • AA: use #727492 as the text (4.63:1)
  • AAA: use #9496ad as the text (7.23:1)
  • AA: or shift the background to #f0f0f0 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #686a87 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 #686a87
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 #686a87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/686a87-9e9cc4-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