Color

#3776be

#3776be
hex#3776be
rgbrgb(55, 118, 190)
hslhsl(212, 55%, 48%)
oklchoklch(0.56 0.13 253.7)
Closest name: Campanula (#3473b7)Relative luminance 0.1749

Colors that go with #3776be

Charcoal, Crimson and Sea Green 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 →

#be7f37

#37b9be · #3c37be

#be3776 · #76be37

Split-complementary

Open in tool →

#be3c37 · #b9be37

#be37b9 · #be7f37 · #37be3c

Contrast

#3776be as textRatioAAAA largeAAAFix
Aaon white
4.67:1passpassfail
  • AAA: use #29588e as the text (7.29:1)
Aaon black
4.5:1failpassfail
  • AA: use #3878c2 as the text (4.63:1)
  • AAA: use #699bd3 as the text (7.23:1)
  • AA: or shift the background to #fcfcfc (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3776be as the background.

Brands using this color

Fonts for this mood

#3776be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3776be
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 #3776be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3776be-9caac4-df564e-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