Color

#376bb9

#376bb9
hex#376bb9
rgbrgb(55, 107, 185)
hslhsl(216, 54%, 47%)
oklchoklch(0.532 0.135 258.4)
Closest name: Campanula (#3473b7)Relative luminance 0.1483

Colors that go with #376bb9

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 →

#b98537

#37acb9 · #4437b9

#b9376b · #6bb937

Split-complementary

Open in tool →

#b94437 · #acb937

#b937ac · #b98537 · #37b944

Contrast

#376bb9 as textRatioAAAA largeAAAFix
Aaon white
5.29:1passpassfail
  • AAA: use #2d5695 as the text (7.3:1)
Aaon black
3.97:1failpassfail
  • AA: use #3f75c6 as the text (4.57:1)
  • AAA: use #7299d5 as the text (7.23:1)
  • AA: or shift the background to #ededed (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #376bb9 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#376bb9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #376bb9
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 #376bb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/376bb9-9ca7c4-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