Color

#344da8

#344da8
hex#344da8
rgbrgb(52, 77, 168)
hslhsl(227, 53%, 43%)
oklchoklch(0.454 0.149 268.3)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0886

Colors that go with #344da8

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 →

#a88f34

#3487a8 · #5434a8

#a8344d · #4da834

Split-complementary

Open in tool →

#a85434 · #87a834

#a83487 · #a88f34 · #34a854

Contrast

#344da8 as textRatioAAAA largeAAAFix
Aaon white
7.57:1passpasspassPasses AAA — no fix needed.
Aaon black
2.77:1failfailfail
  • AA: use #5770cb as the text (4.59:1)
  • AAA: use #8295d9 as the text (7.25:1)
  • AA: or shift the background to #c9c9c9 (4.57:1)
  • AAA: or shift the background to #f7f7f7 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #344da8 as the background.

Brands using this color

Fonts for this mood

#344da8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #344da8
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 #344da8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/344da8-9ca0c4-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