Color

#344eb7

#344eb7
hex#344eb7
rgbrgb(52, 78, 183)
hslhsl(228, 56%, 46%)
oklchoklch(0.468 0.169 268.5)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.096

Colors that go with #344eb7

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 →

#b79d34

#3490b7 · #5b34b7

#b7344e · #4eb734

Split-complementary

Open in tool →

#b75b34 · #90b734

#b73490 · #b79d34 · #34b75b

Contrast

#344eb7 as textRatioAAAA largeAAAFix
Aaon white
7.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.92:1failfailfail
  • AA: use #5870d0 as the text (4.64:1)
  • AAA: use #8092db as the text (7.05:1)
  • AA: or shift the background to #cfcfcf (4.62:1)
  • AAA: or shift the background to #fcfcfc (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #344eb7 as the background.

Brands using this color

Fonts for this mood

#344eb7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #344eb7
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 #344eb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/344eb7-9c9fc4-df7c4e-231f2d-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