Color

#343fda

#343fda
hex#343fda
rgbrgb(52, 63, 218)
hslhsl(236, 69%, 53%)
oklchoklch(0.474 0.23 270.7)
Closest name: Blurple (#5539cc)Relative luminance 0.0935

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dacf34

#3492da · #7c34da

#da343f · #3fda34

Split-complementary

Open in tool →

#da7c34 · #92da34

#da3492 · #dacf34 · #34da7c

Contrast

#343fda as textRatioAAAA largeAAAFix
Aaon white
7.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.87:1failfailfail
  • AA: use #6068e2 as the text (4.58:1)
  • AAA: use #868de9 as the text (7:1)
  • AA: or shift the background to #cccccc (4.56:1)
  • AAA: or shift the background to #fafafa (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #343fda 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

#343fda reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #343fda
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 #343fda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/343fda-9e9cc4-df8f4e-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