Color

#668593

#668593
hex#668593
rgbrgb(102, 133, 147)
hslhsl(199, 18%, 49%)
oklchoklch(0.598 0.041 227.3)
Closest name: Arctic (#648589)Relative luminance 0.2171

Colors that go with #668593

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 →

#937566

#66938b · #666f93

#936685 · #859366

Split-complementary

Open in tool →

#93666f · #938b66

#8b6693 · #937566 · #6f9366

Contrast

#668593 as textRatioAAAA largeAAAFix
Aaon white
3.93:1failpassfail
  • AA: use #5e7a87 as the text (4.56:1)
  • AAA: use #475c66 as the text (7.02:1)
  • AA: or shift the background to #171717 (4.56:1)
Aaon black
5.34:1passpassfail
  • AAA: use #819ba7 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668593 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 #668593
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 #668593 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668593-9cb3c4-df4e66-1f232d-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