Color

#678689

#678689
hex#678689
rgbrgb(103, 134, 137)
hslhsl(185, 14%, 47%)
oklchoklch(0.597 0.035 203.6)
Closest name: Arctic (#648589)Relative luminance 0.2174

Colors that go with #678689

Charcoal, Copper 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#896a67

#67897b · #677589

#896786 · #868967

Split-complementary

Open in tool →

#896775 · #897b67

#7b6789 · #896a67 · #758967

Contrast

#678689 as textRatioAAAA largeAAAFix
Aaon white
3.93:1failpassfail
  • AA: use #5e7a7d as the text (4.61:1)
  • AAA: use #465b5d as the text (7.2:1)
  • AA: or shift the background to #171717 (4.57:1)
Aaon black
5.35:1passpassfail
  • AAA: use #7f9c9f as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #678689 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 #678689
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 #678689 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/678689-a2b8be-df4e88-1f262d-e9f1ee?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