Color

#349bb7

#349bb7
hex#349bb7
rgbrgb(52, 155, 183)
hslhsl(193, 56%, 46%)
oklchoklch(0.643 0.101 219.8)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2759

Colors that go with #349bb7

Charcoal, Amber and Blue 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 #349bb7

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b75034

#34b792 · #3459b7

#b7349b · #9bb734

Split-complementary

Open in tool →

#b73459 · #b79234

#9234b7 · #b75034 · #59b734

Contrast

#349bb7 as textRatioAAAA largeAAAFix
Aaon white
3.22:1failpassfail
  • AA: use #2b8097 as the text (4.53:1)
  • AAA: use #1f5e6f as the text (7.27:1)
  • AA: or shift the background to #292929 (4.52:1)
Aaon black
6.52:1passpassfail
  • AAA: use #36a1bf as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #349bb7 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

#349bb7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #349bb7
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 #349bb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/349bb7-a2b5be-df4e75-1f242d-e9f1ef?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