Color

#347d89

#347d89
hex#347d89
rgbrgb(52, 125, 137)
hslhsl(188, 45%, 37%)
oklchoklch(0.549 0.074 209.9)
Closest name: Bermuda (#1b7d8d)Relative luminance 0.172

Colors that go with #347d89

Charcoal, Rust 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.

Real palettes that use #347d89

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#893f34

#34896a · #345389

#89347d · #7d8934

Split-complementary

Open in tool →

#893453 · #896a34

#6a3489 · #893f34 · #538934

Contrast

#347d89 as textRatioAAAA largeAAAFix
Aaon white
4.73:1passpassfail
  • AAA: use #275f68 as the text (7.18:1)
Aaon black
4.44:1failpassfail
  • AA: use #35818d as the text (4.68:1)
  • AAA: use #43a3b1 as the text (7.11:1)
  • AA: or shift the background to #fafafa (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #347d89 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

#347d89 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #347d89
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 #347d89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/347d89-a2b7be-df4e81-1f252d-e9f1ee?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