Color

#34559d

#34559d
hex#34559d
rgbrgb(52, 85, 157)
hslhsl(221, 50%, 41%)
oklchoklch(0.463 0.123 263.8)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0966

Colors that go with #34559d

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 →

#9d7c34

#348a9d · #47349d

#9d3455 · #559d34

Split-complementary

Open in tool →

#9d4734 · #8a9d34

#9d348a · #9d7c34 · #349d47

Contrast

#34559d as textRatioAAAA largeAAAFix
Aaon white
7.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.93:1failfailfail
  • AA: use #4f74c4 as the text (4.63:1)
  • AAA: use #7995d2 as the text (7.04:1)
  • AA: or shift the background to #cfcfcf (4.6:1)
  • AAA: or shift the background to #ffffff (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #34559d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#34559d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #34559d
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 #34559d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34559d-9ca4c4-df6b4e-211f2d-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