Color

#3764be

#3764be
hex#3764be
rgbrgb(55, 100, 190)
hslhsl(220, 55%, 48%)
oklchoklch(0.52 0.15 262.4)
Closest name: God of Rain (#4466cc)Relative luminance 0.1364

Colors that go with #3764be

Charcoal, 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 →

#be9137

#37a7be · #4e37be

#be3764 · #64be37

Split-complementary

Open in tool →

#be4e37 · #a7be37

#be37a7 · #be9137 · #37be4e

Contrast

#3764be as textRatioAAAA largeAAAFix
Aaon white
5.63:1passpassfail
  • AAA: use #2f55a2 as the text (7.14:1)
Aaon black
3.73:1failpassfail
  • AA: use #4974ca as the text (4.63:1)
  • AAA: use #7595d7 as the text (7.04:1)
  • AA: or shift the background to #e6e6e6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3764be as the background.

Brands using this color

Fonts for this mood

#3764be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3764be
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 #3764be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3764be-9ca5c4-df694e-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