Color

#668fb2

#668fb2
hex#668fb2
rgbrgb(102, 143, 178)
hslhsl(208, 33%, 55%)
oklchoklch(0.634 0.07 245)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2568

Colors that go with #668fb2

Charcoal, Copper and Amber 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 →

#b28a66

#66b2b0 · #6669b2

#b2668f · #8fb266

Split-complementary

Open in tool →

#b26669 · #b2b066

#b066b2 · #b28a66 · #69b266

Contrast

#668fb2 as textRatioAAAA largeAAAFix
Aaon white
3.42:1failpassfail
  • AA: use #507a9f as the text (4.54:1)
  • AAA: use #3c5b77 as the text (7.11:1)
  • AA: or shift the background to #242424 (4.54:1)
Aaon black
6.14:1passpassfail
  • AAA: use #779bbb as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668fb2 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 #668fb2
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 #668fb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668fb2-9cadc4-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