Color

#3768be

#3768be
hex#3768be
rgbrgb(55, 104, 190)
hslhsl(218, 55%, 48%)
oklchoklch(0.529 0.145 260.8)
Closest name: God of Rain (#4466cc)Relative luminance 0.1443

Colors that go with #3768be

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 →

#be8c37

#37acbe · #4937be

#be3768 · #68be37

Split-complementary

Open in tool →

#be4937 · #acbe37

#be37ac · #be8c37 · #37be49

Contrast

#3768be as textRatioAAAA largeAAAFix
Aaon white
5.4:1passpassfail
  • AAA: use #2e579e as the text (7.06:1)
Aaon black
3.89:1failpassfail
  • AA: use #4173c8 as the text (4.51:1)
  • AAA: use #7196d6 as the text (7.04:1)
  • 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 #3768be as the background.

Brands using this color

Fonts for this mood

#3768be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3768be
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 #3768be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3768be-9ca6c4-df644e-201f2d-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