Color

#6685db

#6685db
hex#6685db
rgbrgb(102, 133, 219)
hslhsl(224, 62%, 63%)
oklchoklch(0.632 0.134 267.5)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2471

Colors that go with #6685db

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 →

#dbbc66

#66c0db · #8166db

#db6685 · #85db66

Split-complementary

Open in tool →

#db8166 · #c0db66

#db66c0 · #dbbc66 · #66db81

Contrast

#6685db as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #496ed4 as the text (4.7:1)
  • AAA: use #2b50b6 as the text (7.18:1)
  • AA: or shift the background to #212121 (4.56:1)
Aaon black
5.94:1passpassfail
  • AAA: use #7793df as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6685db as the background.

Brands using this color

Fonts for this mood

#6685db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6685db
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 #6685db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6685db-9ca2c4-df724e-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