Color

#343679

#343679
hex#343679
rgbrgb(52, 54, 121)
hslhsl(238, 40%, 34%)
oklchoklch(0.37 0.112 278.1)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0475

Colors that go with #343679

Steel Blue, Blue and Crimson 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 →

#797734

#345979 · #543479

#793436 · #367934

Split-complementary

Open in tool →

#795434 · #597934

#793459 · #797734 · #347954

Contrast

#343679 as textRatioAAAA largeAAAFix
Aaon white
10.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #6d6fc0 as the text (4.69:1)
  • AAA: use #9092d0 as the text (7.21:1)
  • AA: or shift the background to #a8a8a8 (4.53:1)
  • AAA: or shift the background to #d1d1d1 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #343679 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

#343679 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #343679
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 #343679 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/343679-9f9cc4-df944e-251f2d-e9edf1?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