Color

#0669cb

#0669cb
hex#0669cb
rgbrgb(6, 105, 203)
hslhsl(210, 94%, 41%)
oklchoklch(0.528 0.172 255.1)
Closest name: Denim (#1560bd)Relative luminance 0.1445

Colors that go with #0669cb

Charcoal, Crimson 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 →

#cb6906

#06cbcb · #0606cb

#cb0669 · #69cb06

Split-complementary

Open in tool →

#cb0606 · #cbcb06

#cb06cb · #cb6906 · #06cb06

Contrast

#0669cb as textRatioAAAA largeAAAFix
Aaon white
5.4:1passpassfail
  • AAA: use #0557a8 as the text (7.15:1)
Aaon black
3.89:1failpassfail
  • AA: use #0773df as the text (4.53:1)
  • AAA: use #3999f9 as the text (7.1:1)
  • AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0669cb as the background.

Brands using this color

Fonts for this mood

#0669cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0669cb
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 #0669cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0669cb-9cabc4-df514e-1f202d-e9f1f1?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