Color

#344dc5

#344dc5
hex#344dc5
rgbrgb(52, 77, 197)
hslhsl(230, 58%, 49%)
oklchoklch(0.478 0.189 268.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1007

Colors that go with #344dc5

Charcoal, Sea Green and Steel Blue 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 →

#c5ad34

#3495c5 · #6534c5

#c5344d · #4dc534

Split-complementary

Open in tool →

#c56534 · #95c534

#c53495 · #c5ad34 · #34c565

Contrast

#344dc5 as textRatioAAAA largeAAAFix
Aaon white
6.97:1passpassfail
  • AAA: use #334bc1 as the text (7.2:1)
Aaon black
3.01:1failpassfail
  • AA: use #5a6ed3 as the text (4.61:1)
  • AAA: use #8291de as the text (7.05:1)
  • AA: or shift the background to #d1d1d1 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #344dc5 as the background.

Brands using this color

Fonts for this mood

#344dc5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #344dc5
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 #344dc5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/344dc5-9c9ec4-df814e-231f2d-e9eef1?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