Color

#668993

#668993
hex#668993
rgbrgb(102, 137, 147)
hslhsl(193, 18%, 49%)
oklchoklch(0.607 0.042 217.3)
Closest name: Arctic (#648589)Relative luminance 0.2282

Colors that go with #668993

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.

Real palettes that use #668993

Tints & shades

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

Harmonies

Complementary

Open in tool →

#937066

#669387 · #667393

#93668a · #8a9366

Split-complementary

Open in tool →

#936673 · #938766

#876693 · #937066 · #739366

Contrast

#668993 as textRatioAAAA largeAAAFix
Aaon white
3.77:1failpassfail
  • AA: use #5a7981 as the text (4.68:1)
  • AAA: use #455d63 as the text (7:1)
  • AA: or shift the background to #1c1c1c (4.52:1)
Aaon black
5.56:1passpassfail
  • AAA: use #7e9da5 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668993 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 #668993
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 #668993 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668993-a2b5be-df4e75-1f242d-e9f1ef?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