Color

#348ccb

#348ccb
hex#348ccb
rgbrgb(52, 140, 203)
hslhsl(205, 59%, 50%)
oklchoklch(0.617 0.126 243.9)
Closest name: steelblue (#4682b4)Relative luminance 0.238

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb7334

#34cbbe · #3441cb

#cb348c · #8ccb34

Split-complementary

Open in tool →

#cb3441 · #cbbe34

#be34cb · #cb7334 · #41cb34

Contrast

#348ccb as textRatioAAAA largeAAAFix
Aaon white
3.65:1failpassfail
  • AA: use #2e7bb2 as the text (4.57:1)
  • AAA: use #235c86 as the text (7.13:1)
  • AA: or shift the background to #1f1f1f (4.52:1)
Aaon black
5.76:1passpassfail
  • AAA: use #519cd2 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #348ccb 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

#348ccb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #348ccb
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 #348ccb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/348ccb-9cafc4-df4e58-1f212d-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