Color

#348cb2

#348cb2
hex#348cb2
rgbrgb(52, 140, 178)
hslhsl(198, 55%, 45%)
oklchoklch(0.604 0.1 230.4)
Closest name: Blue Moon (#3992a8)Relative luminance 0.227

Colors that go with #348cb2

Charcoal, Copper and Crimson 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 →

#b25a34

#34b299 · #344db2

#b2348c · #8cb234

Split-complementary

Open in tool →

#b2344d · #b29934

#9934b2 · #b25a34 · #4db234

Contrast

#348cb2 as textRatioAAAA largeAAAFix
Aaon white
3.79:1failpassfail
  • AA: use #2e7c9e as the text (4.67:1)
  • AAA: use #225d77 as the text (7.24:1)
  • AA: or shift the background to #1a1a1a (4.59:1)
Aaon black
5.54:1passpassfail
  • AAA: use #41a0c8 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #348cb2 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#348cb2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #348cb2
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 #348cb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/348cb2-9cb3c4-df4e69-1f232d-e9f1f0?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