Color

#348dd5

#348dd5
hex#348dd5
rgbrgb(52, 141, 213)
hslhsl(207, 66%, 52%)
oklchoklch(0.625 0.137 247)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2458

Colors that go with #348dd5

Charcoal, Copper 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d57d34

#34d5cd · #343cd5

#d5348d · #8dd534

Split-complementary

Open in tool →

#d5343c · #d5cd34

#cd34d5 · #d57d34 · #3cd534

Contrast

#348dd5 as textRatioAAAA largeAAAFix
Aaon white
3.55:1failpassfail
  • AA: use #277abe as the text (4.55:1)
  • AAA: use #1d5c90 as the text (7.03:1)
  • AA: or shift the background to #212121 (4.54:1)
Aaon black
5.92:1passpassfail
  • AAA: use #4d9bdb as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #348dd5 as the background.

Brands using this color

Fonts for this mood

#348dd5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #348dd5
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 #348dd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/348dd5-9cadc4-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