Color

#3480cb

#3480cb
hex#3480cb
rgbrgb(52, 128, 203)
hslhsl(210, 59%, 50%)
oklchoklch(0.589 0.137 251.1)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2048

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb8034

#34cbcb · #3434cb

#cb3480 · #80cb34

Split-complementary

Open in tool →

#cb3434 · #cbcb34

#cb34cb · #cb8034 · #34cb34

Contrast

#3480cb as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #3178bf as the text (4.6:1)
  • AAA: use #25598e as the text (7.25:1)
  • AA: or shift the background to #121212 (4.55:1)
Aaon black
5.1:1passpassfail
  • AAA: use #619cd6 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3480cb 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

#3480cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3480cb
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 #3480cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3480cb-9cabc4-df514e-1f202d-e9f1f1?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