Color

#347cb7

#347cb7
hex#347cb7
rgbrgb(52, 124, 183)
hslhsl(207, 56%, 46%)
oklchoklch(0.569 0.116 246.6)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1856

Colors that go with #347cb7

Charcoal, Crimson and Copper 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 →

#b76f34

#34b7b0 · #343ab7

#b7347c · #7cb734

Split-complementary

Open in tool →

#b7343a · #b7b034

#b034b7 · #b76f34 · #3ab734

Contrast

#347cb7 as textRatioAAAA largeAAAFix
Aaon white
4.46:1failpassfail
  • AA: use #3279b3 as the text (4.64:1)
  • AAA: use #265c87 as the text (7.09:1)
  • AA: or shift the background to #050505 (4.57:1)
Aaon black
4.71:1passpassfail
  • AAA: use #5c9cd1 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #347cb7 as the background.

Brands using this color

Fonts for this mood

#347cb7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #347cb7
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 #347cb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/347cb7-9cadc4-df4e53-1f212d-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