Color

#3471da

#3471da
hex#3471da
rgbrgb(52, 113, 218)
hslhsl(218, 69%, 53%)
oklchoklch(0.566 0.173 260.5)
Closest name: royalblue (#4169e1)Relative luminance 0.176

Tints & shades

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

Harmonies

Complementary

Open in tool →

#da9d34

#34c4da · #4b34da

#da3471 · #71da34

Split-complementary

Open in tool →

#da4b34 · #c4da34

#da34c4 · #da9d34 · #34da4b

Contrast

#3471da as textRatioAAAA largeAAAFix
Aaon white
4.65:1passpassfail
  • AAA: use #2055b1 as the text (7.01:1)
Aaon black
4.52:1passpassfail
  • AAA: use #6c98e4 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3471da 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

#3471da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3471da
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 #3471da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3471da-9ca6c4-df644e-201f2d-e9f0f1?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