Color

#6689db

#6689db
hex#6689db
rgbrgb(102, 137, 219)
hslhsl(222, 62%, 63%)
oklchoklch(0.641 0.13 265.4)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2583

Colors that go with #6689db

Charcoal, Medium Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dbb866

#66c4db · #7e66db

#db6689 · #89db66

Split-complementary

Open in tool →

#db7e66 · #c4db66

#db66c4 · #dbb866 · #66db7e

Contrast

#6689db as textRatioAAAA largeAAAFix
Aaon white
3.41:1failpassfail
  • AA: use #4570d3 as the text (4.65:1)
  • AAA: use #2a52b2 as the text (7.12:1)
  • AA: or shift the background to #242424 (4.56:1)
Aaon black
6.17:1passpassfail
  • AAA: use #7796df as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6689db 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

#6689db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6689db
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #6689db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6689db-9ca3c4-df6e4e-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