Color

#347dea

#347dea
hex#347dea
rgbrgb(52, 125, 234)
hslhsl(216, 81%, 56%)
oklchoklch(0.602 0.18 258.6)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2134

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eaa134

#34d8ea · #4634ea

#ea347d · #7dea34

Split-complementary

Open in tool →

#ea4634 · #d8ea34

#ea34d8 · #eaa134 · #34ea46

Contrast

#347dea as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #2171e8 as the text (4.57:1)
  • AAA: use #1353b4 as the text (7.18:1)
  • AA: or shift the background to #141414 (4.62:1)
Aaon black
5.27:1passpassfail
  • AAA: use #5d97ee as the text (7.13:1)

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

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

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

tool url/palettes/new/347dea-9ca7c4-df5f4e-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