Color

#349bdf

#349bdf
hex#349bdf
rgbrgb(52, 155, 223)
hslhsl(204, 73%, 54%)
oklchoklch(0.662 0.137 242.4)
Closest name: Blue Burst (#309cd0)Relative luminance 0.295

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df7934

#34dfce · #3445df

#df349b · #9bdf34

Split-complementary

Open in tool →

#df3445 · #dfce34

#ce34df · #df7934 · #45df34

Contrast

#349bdf as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #1d7bb9 as the text (4.58:1)
  • AAA: use #155b89 as the text (7.27:1)
  • AA: or shift the background to #2b2b2b (4.65:1)
Aaon black
6.9:1passpassfail
  • AAA: use #389de0 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #349bdf 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

#349bdf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #349bdf
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 #349bdf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/349bdf-9cafc4-df4e5a-1f222d-e9f1f0?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