Color

#668bdb

#668bdb
hex#668bdb
rgbrgb(102, 139, 219)
hslhsl(221, 62%, 63%)
oklchoklch(0.645 0.127 264.3)
Closest name: Blue Jay (#5588dd)Relative luminance 0.264

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dbb666

#66c6db · #7c66db

#db668b · #8bdb66

Split-complementary

Open in tool →

#db7c66 · #c6db66

#db66c6 · #dbb666 · #66db7c

Contrast

#668bdb as textRatioAAAA largeAAAFix
Aaon white
3.34:1failpassfail
  • AA: use #4572d3 as the text (4.56:1)
  • AAA: use #2953ae as the text (7.14:1)
  • AA: or shift the background to #262626 (4.53:1)
Aaon black
6.28:1passpassfail
  • AAA: use #7395de as the text (7.08:1)

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

#668bdb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #668bdb
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 #668bdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668bdb-9ca4c4-df6b4e-211f2d-e9eff1?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