Color

#376fc3

#376fc3
hex#376fc3
rgbrgb(55, 111, 195)
hslhsl(216, 56%, 49%)
oklchoklch(0.547 0.144 258.5)
Closest name: Campanula (#3473b7)Relative luminance 0.1612

Colors that go with #376fc3

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 →

#c38b37

#37b5c3 · #4537c3

#c3376f · #6fc337

Split-complementary

Open in tool →

#c34537 · #b5c337

#c337b5 · #c38b37 · #37c345

Contrast

#376fc3 as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #2c589b as the text (7.06:1)
Aaon black
4.22:1failpassfail
  • AA: use #3c74c8 as the text (4.52:1)
  • AAA: use #7099d7 as the text (7.23:1)
  • AA: or shift the background to #f5f5f5 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #376fc3 as the background.

Brands using this color

Fonts for this mood

#376fc3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #376fc3
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 #376fc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/376fc3-9ca7c4-df5f4e-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