Color

#349fb2

#349fb2
hex#349fb2
rgbrgb(52, 159, 178)
hslhsl(189, 55%, 45%)
oklchoklch(0.651 0.098 211.9)
Closest name: Baltic (#279d9f)Relative luminance 0.2874

Colors that go with #349fb2

Charcoal, Orange Red 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.

Real palettes that use #349fb2

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b24734

#34b286 · #3460b2

#b2349f · #9fb234

Split-complementary

Open in tool →

#b23460 · #b28634

#8634b2 · #b24734 · #60b234

Contrast

#349fb2 as textRatioAAAA largeAAAFix
Aaon white
3.11:1failpassfail
  • AA: use #297f8e as the text (4.65:1)
  • AAA: use #1f5f6b as the text (7.22:1)
  • AA: or shift the background to #2b2b2b (4.55:1)
Aaon black
6.75:1passpassfail
  • AAA: use #36a6ba as the text (7.32:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #349fb2 as the background.

Brands using this color

Fonts for this mood

#349fb2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #349fb2
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 #349fb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/349fb2-a2b7be-df4e7e-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