Color

#3b69bf

#3b69bf
hex#3b69bf
rgbrgb(59, 105, 191)
hslhsl(219, 53%, 49%)
oklchoklch(0.533 0.144 261.6)
Closest name: God of Rain (#4466cc)Relative luminance 0.1479

Colors that go with #3b69bf

Charcoal, Sea Green and Sienna 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 →

#bf913b

#3babbf · #4f3bbf

#bf3b69 · #69bf3b

Split-complementary

Open in tool →

#bf4f3b · #abbf3b

#bf3bab · #bf913b · #3bbf4f

Contrast

#3b69bf as textRatioAAAA largeAAAFix
Aaon white
5.3:1passpassfail
  • AAA: use #30569c as the text (7.15:1)
Aaon black
3.96:1failpassfail
  • AA: use #4874c7 as the text (4.6:1)
  • AAA: use #7698d5 as the text (7.22:1)
  • AA: or shift the background to #ededed (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 #3b69bf as the background.

Brands using this color

Fonts for this mood

#3b69bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b69bf
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 #3b69bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b69bf-9ca5c4-df664e-211f2d-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