Color

#668199

#668199
hex#668199
rgbrgb(102, 129, 153)
hslhsl(208, 20%, 50%)
oklchoklch(0.591 0.048 245.6)
Closest name: Bay View (#6a819e)Relative luminance 0.2083

Colors that go with #668199

Charcoal, Copper and Blush Pink 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 →

#997e66

#669997 · #666899

#996681 · #819966

Split-complementary

Open in tool →

#996668 · #999766

#976699 · #997e66 · #689966

Contrast

#668199 as textRatioAAAA largeAAAFix
Aaon white
4.07:1failpassfail
  • AA: use #607990 as the text (4.53:1)
  • AAA: use #475a6b as the text (7.14:1)
  • AA: or shift the background to #141414 (4.53:1)
Aaon black
5.17:1passpassfail
  • AAA: use #8298ab as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668199 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 #668199
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 #668199 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668199-9cadc4-df4e51-1f212d-e9f1f1?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