Color

#345ec5

#345ec5
hex#345ec5
rgbrgb(52, 94, 197)
hslhsl(223, 58%, 49%)
oklchoklch(0.511 0.168 264.5)
Closest name: Denim (#1560bd)Relative luminance 0.1277

Colors that go with #345ec5

Charcoal, Sea Green 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 →

#c59c34

#34a6c5 · #5434c5

#c5345e · #5ec534

Split-complementary

Open in tool →

#c55434 · #a6c534

#c534a6 · #c59c34 · #34c554

Contrast

#345ec5 as textRatioAAAA largeAAAFix
Aaon white
5.91:1passpassfail
  • AAA: use #2e52ad as the text (7.18:1)
Aaon black
3.55:1failpassfail
  • AA: use #4e73d0 as the text (4.69:1)
  • AAA: use #7a96dc as the text (7.22:1)
  • AA: or shift the background to #e3e3e3 (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 #345ec5 as the background.

Brands using this color

Fonts for this mood

#345ec5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #345ec5
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 #345ec5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/345ec5-9ca3c4-df704e-211f2d-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