Color

#668bf9

#668bf9
hex#668bf9
rgbrgb(102, 139, 249)
hslhsl(225, 92%, 69%)
oklchoklch(0.662 0.168 267.7)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2813

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f9d467

#67d4f9 · #8c67f9

#f9678c · #8cf967

Split-complementary

Open in tool →

#f98c67 · #d4f967

#f967d4 · #f9d467 · #67f98c

Contrast

#668bf9 as textRatioAAAA largeAAAFix
Aaon white
3.17:1failpassfail
  • AA: use #3b6af7 as the text (4.57:1)
  • AAA: use #0a42eb as the text (7.02:1)
  • AA: or shift the background to #292929 (4.59:1)
Aaon black
6.63:1passpassfail
  • AAA: use #7193f9 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668bf9 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

#668bf9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #668bf9
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 #668bf9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668bf9-9ca1c4-df754e-221f2d-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