Color

#344fa8

#344fa8
hex#344fa8
rgbrgb(52, 79, 168)
hslhsl(226, 53%, 43%)
oklchoklch(0.458 0.147 267.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0915

Colors that go with #344fa8

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 →

#a88d34

#3489a8 · #5334a8

#a8344f · #4fa834

Split-complementary

Open in tool →

#a85334 · #89a834

#a83489 · #a88d34 · #34a853

Contrast

#344fa8 as textRatioAAAA largeAAAFix
Aaon white
7.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.83:1failfailfail
  • AA: use #5772cb as the text (4.67:1)
  • AAA: use #7e93d7 as the text (7.04:1)
  • AA: or shift the background to #cccccc (4.62:1)
  • AAA: or shift the background to #fafafa (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #344fa8 as the background.

Brands using this color

Fonts for this mood

#344fa8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #344fa8
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 #344fa8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/344fa8-9ca1c4-df774e-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