Color

#347aea

#347aea
hex#347aea
rgbrgb(52, 122, 234)
hslhsl(217, 81%, 56%)
oklchoklch(0.596 0.184 259.6)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2059

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eaa434

#34d4ea · #4934ea

#ea347a · #7aea34

Split-complementary

Open in tool →

#ea4934 · #d4ea34

#ea34d4 · #eaa434 · #34ea49

Contrast

#347aea as textRatioAAAA largeAAAFix
Aaon white
4.1:1failpassfail
  • AA: use #2670e8 as the text (4.6:1)
  • AAA: use #1353b9 as the text (7.08:1)
  • AA: or shift the background to #121212 (4.57:1)
Aaon black
5.12:1passpassfail
  • AAA: use #6298ef as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #347aea 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

#347aea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #347aea
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 #347aea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/347aea-9ca7c4-df624e-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