Color

#345bea

#345bea
hex#345bea
rgbrgb(52, 91, 234)
hslhsl(227, 81%, 56%)
oklchoklch(0.535 0.22 266.7)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1415

Colors that go with #345bea

Charcoal, Crimson 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 →

#eac234

#34b6ea · #6734ea

#ea345b · #5bea34

Split-complementary

Open in tool →

#ea6734 · #b6ea34

#ea34b6 · #eac234 · #34ea67

Contrast

#345bea as textRatioAAAA largeAAAFix
Aaon white
5.48:1passpassfail
  • AAA: use #1844e2 as the text (7.09:1)
Aaon black
3.83:1failpassfail
  • AA: use #466aec as the text (4.53:1)
  • AAA: use #7993f1 as the text (7.26:1)
  • AA: or shift the background to #ebebeb (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #345bea as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#345bea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #345bea
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 #345bea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/345bea-9ca0c4-df7a4e-221f2d-e9eff1?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