Color

#669deb

#669deb
hex#669deb
rgbrgb(102, 157, 235)
hslhsl(215, 77%, 66%)
oklchoklch(0.692 0.13 257.2)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3294

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ebb366

#66e0eb · #7166eb

#eb669d · #9deb66

Split-complementary

Open in tool →

#eb7166 · #e0eb66

#eb66e0 · #ebb366 · #66eb71

Contrast

#669deb as textRatioAAAA largeAAAFix
Aaon white
2.77:1failfailfail
  • AA: use #2272e2 as the text (4.59:1)
  • AAA: use #1654ac as the text (7.25:1)
  • AA: or shift the background to #333333 (4.56:1)
  • AAA: or shift the background to #0d0d0d (7.02:1)
Aaon black
7.59:1passpasspassPasses 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 #669deb 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

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

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

tool url/palettes/new/669deb-9ca8c4-df5d4e-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