Color

#349be5

#349be5
hex#349be5
rgbrgb(52, 155, 229)
hslhsl(205, 77%, 55%)
oklchoklch(0.665 0.144 244.6)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2983

Colors that go with #349be5

Charcoal, Tomato and Bronze 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 →

#e57e34

#34e5d6 · #3443e5

#e5349b · #9be534

Split-complementary

Open in tool →

#e53443 · #e5d634

#d634e5 · #e57e34 · #43e534

Contrast

#349be5 as textRatioAAAA largeAAAFix
Aaon white
3.01:1failpassfail
  • AA: use #1979be as the text (4.65:1)
  • AAA: use #135c90 as the text (7.09:1)
  • AA: or shift the background to #2e2e2e (4.5:1)
Aaon black
6.97:1passpassfail
  • AAA: use #389de5 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #349be5 as the background.

Brands using this color

Fonts for this mood

#349be5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #349be5
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 #349be5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/349be5-9cafc4-df4e58-1f212d-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