Color

#669afa

#669afa
hex#669afa
rgbrgb(102, 154, 250)
hslhsl(219, 94%, 69%)
oklchoklch(0.693 0.152 261.7)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3284

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fac666

#66e4fa · #7c66fa

#fa669a · #9afa66

Split-complementary

Open in tool →

#fa7c66 · #e4fa66

#fa66e4 · #fac666 · #66fa7c

Contrast

#669afa as textRatioAAAA largeAAAFix
Aaon white
2.77:1failfailfail
  • AA: use #206cf8 as the text (4.6:1)
  • AAA: use #064dd0 as the text (7.05:1)
  • AA: or shift the background to #333333 (4.55:1)
  • AAA: or shift the background to #0d0d0d (7:1)
Aaon black
7.57:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #669afa 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

#669afa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #669afa
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 #669afa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/669afa-9ca5c4-df664e-211f2d-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