Color

#668dc7

#668dc7
hex#668dc7
rgbrgb(102, 141, 199)
hslhsl(216, 46%, 59%)
oklchoklch(0.639 0.098 258.1)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.26

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c7a066

#66bdc7 · #7066c7

#c7668d · #8dc766

Split-complementary

Open in tool →

#c77066 · #bdc766

#c766bd · #c7a066 · #66c770

Contrast

#668dc7 as textRatioAAAA largeAAAFix
Aaon white
3.39:1failpassfail
  • AA: use #4977bc as the text (4.52:1)
  • AAA: use #34588d as the text (7.18:1)
  • AA: or shift the background to #242424 (4.58:1)
Aaon black
6.2:1passpassfail
  • AAA: use #7598cc as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668dc7 as the background.

Brands using this color

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

Fonts for this mood

#668dc7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #668dc7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #668dc7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668dc7-9ca7c4-df5f4e-201f2d-e9f0f1?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