Color

#343eb2

#343eb2
hex#343eb2
rgbrgb(52, 62, 178)
hslhsl(235, 55%, 45%)
oklchoklch(0.434 0.181 272.4)
Closest name: Denim (#2243b6)Relative luminance 0.0739

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b2a734

#347db2 · #6834b2

#b2343e · #3eb234

Split-complementary

Open in tool →

#b26834 · #7db234

#b2347d · #b2a734 · #34b268

Contrast

#343eb2 as textRatioAAAA largeAAAFix
Aaon white
8.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.48:1failfailfail
  • AA: use #656ed2 as the text (4.71:1)
  • AAA: use #888fdd as the text (7.02:1)
  • AA: or shift the background to #bdbdbd (4.51:1)
  • AAA: or shift the background to #ebebeb (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 #343eb2 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

#343eb2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #343eb2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #343eb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/343eb2-9e9cc4-df8d4e-241f2d-e9eef1?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