Color

#3429ff

#3429ff
hex#3429ff
rgbrgb(52, 41, 255)
hslhsl(243, 100%, 58%)
oklchoklch(0.488 0.289 270.4)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0954

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f4ff29

#2989ff · #9f29ff

#ff3429 · #29ff34

Split-complementary

Open in tool →

#ff9f29 · #89ff29

#ff2989 · #f4ff29 · #29ff9f

Contrast

#3429ff as textRatioAAAA largeAAAFix
Aaon white
7.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #645cff as the text (4.52:1)
  • AAA: use #908aff as the text (7.27:1)
  • AA: or shift the background to #cfcfcf (4.64:1)
  • AAA: or shift the background to #fcfcfc (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3429ff as the background.

Brands using this color

Fonts for this mood

#3429ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3429ff
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 #3429ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3429ff-a39cc4-dfa04e-261f2d-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