Color

#678698

#678698
hex#678698
rgbrgb(103, 134, 152)
hslhsl(202, 19%, 50%)
oklchoklch(0.603 0.045 233.9)
Closest name: Slate Gray (#708090)Relative luminance 0.222

Colors that go with #678698

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 →

#987967

#679891 · #676e98

#986786 · #869867

Split-complementary

Open in tool →

#98676e · #989167

#916798 · #987967 · #6e9867

Contrast

#678698 as textRatioAAAA largeAAAFix
Aaon white
3.86:1failpassfail
  • AA: use #5d7989 as the text (4.6:1)
  • AAA: use #465b67 as the text (7.11:1)
  • AA: or shift the background to #1a1a1a (4.51:1)
Aaon black
5.44:1passpassfail
  • AAA: use #8099a8 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #678698 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #678698
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 #678698 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/678698-9cb1c4-df4e5f-1f222d-e9f1f0?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