Color

#347bfe

#347bfe
hex#347bfe
rgbrgb(52, 123, 254)
hslhsl(219, 99%, 60%)
oklchoklch(0.612 0.208 261.3)
Closest name: Azure (#007fff)Relative luminance 0.2205

Colors that go with #347bfe

Charcoal, Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#feb734

#34e0fe · #5234fe

#fe347b · #7bfe34

Split-complementary

Open in tool →

#fe5234 · #e0fe34

#fe34e0 · #feb734 · #34fe52

Contrast

#347bfe as textRatioAAAA largeAAAFix
Aaon white
3.88:1failpassfail
  • AA: use #1b6afe as the text (4.63:1)
  • AAA: use #014bd5 as the text (7.07:1)
  • AA: or shift the background to #171717 (4.62:1)
Aaon black
5.41:1passpassfail
  • AAA: use #5d95fe as the text (7.2:1)

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

Brands using this color

Fonts for this mood

#347bfe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/347bfe-9ca5c4-df664e-211f2d-e9f0f1?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