Color

#349bef

#349bef
hex#349bef
rgbrgb(52, 155, 239)
hslhsl(207, 85%, 57%)
oklchoklch(0.671 0.155 247.7)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.304

Colors that go with #349bef

Charcoal, Medium Sea Green and Tomato 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 →

#ef8834

#34efe5 · #343def

#ef349b · #9bef34

Split-complementary

Open in tool →

#ef343d · #efe534

#e534ef · #ef8834 · #3def34

Contrast

#349bef as textRatioAAAA largeAAAFix
Aaon white
2.97:1failfailfail
  • AA: use #1077cb as the text (4.64:1)
  • AAA: use #0d5b9c as the text (7.01:1)
  • AA: or shift the background to #2e2e2e (4.58:1)
  • AAA: or shift the background to #000000 (7.08:1)
Aaon black
7.08:1passpasspassPasses AAA — no fix needed.

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

#349bef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/349bef-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