Color

#344fbc

#344fbc
hex#344fbc
rgbrgb(52, 79, 188)
hslhsl(228, 57%, 47%)
oklchoklch(0.474 0.174 268.3)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0995

Colors that go with #344fbc

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 →

#bca134

#3493bc · #5d34bc

#bc344f · #4fbc34

Split-complementary

Open in tool →

#bc5d34 · #93bc34

#bc3493 · #bca134 · #34bc5d

Contrast

#344fbc as textRatioAAAA largeAAAFix
Aaon white
7.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #576fd1 as the text (4.6:1)
  • AAA: use #8395dd as the text (7.31:1)
  • AA: or shift the background to #cfcfcf (4.51:1)
  • AAA: or shift the background to #ffffff (7.02:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/344fbc-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