Color

#3498bc

#3498bc
hex#3498bc
rgbrgb(52, 152, 188)
hslhsl(196, 57%, 47%)
oklchoklch(0.638 0.105 226.3)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2682

Colors that go with #3498bc

Charcoal, Amber and Cobalt Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #3498bc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc5834

#34bc9c · #3453bc

#bc3498 · #98bc34

Split-complementary

Open in tool →

#bc3453 · #bc9c34

#9c34bc · #bc5834 · #53bc34

Contrast

#3498bc as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #2b7e9c as the text (4.6:1)
  • AAA: use #205e74 as the text (7.2:1)
  • AA: or shift the background to #262626 (4.59:1)
Aaon black
6.36:1passpassfail
  • AAA: use #37a1c8 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3498bc 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

#3498bc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3498bc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3498bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3498bc-9cb5c4-df4e6e-1f232d-e9f1ef?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