Color

#669ab2

#669ab2
hex#669ab2
rgbrgb(102, 154, 178)
hslhsl(199, 33%, 55%)
oklchoklch(0.659 0.066 228.7)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.2915

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b27e66

#66b2a4 · #6674b2

#b2669a · #9ab266

Split-complementary

Open in tool →

#b26674 · #b2a466

#a466b2 · #b27e66 · #74b266

Contrast

#669ab2 as textRatioAAAA largeAAAFix
Aaon white
3.07:1failpassfail
  • AA: use #497b92 as the text (4.63:1)
  • AAA: use #375b6d as the text (7.29:1)
  • AA: or shift the background to #2b2b2b (4.61:1)
Aaon black
6.83:1passpassfail
  • AAA: use #6a9cb4 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #669ab2 as the background.

Brands using this color

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

mcpConnect your agent — build around #669ab2
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 #669ab2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/669ab2-9cb3c4-df4e66-1f232d-e9f1f0?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