Color

#348cbc

#348cbc
hex#348cbc
rgbrgb(52, 140, 188)
hslhsl(201, 57%, 47%)
oklchoklch(0.609 0.11 236.7)
Closest name: steelblue (#4682b4)Relative luminance 0.2312

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc6334

#34bca8 · #3448bc

#bc348c · #8cbc34

Split-complementary

Open in tool →

#bc3448 · #bca834

#a834bc · #bc6334 · #48bc34

Contrast

#348cbc as textRatioAAAA largeAAAFix
Aaon white
3.73:1failpassfail
  • AA: use #2e7da8 as the text (4.55:1)
  • AAA: use #225d7c as the text (7.18:1)
  • AA: or shift the background to #1c1c1c (4.56:1)
Aaon black
5.62:1passpassfail
  • AAA: use #479ecd 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 #348cbc 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

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

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

tool url/palettes/new/348cbc-9cb1c4-df4e62-1f222d-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