Color

#3eb6cc

#3eb6cc
hex#3eb6cc
rgbrgb(62, 182, 204)
hslhsl(189, 58%, 52%)
oklchoklch(0.719 0.108 212.3)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3884

Colors that go with #3eb6cc

Charcoal, Denim and Dodger 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc533e

#3ecc9a · #3e6fcc

#cc3eb6 · #b6cc3e

Split-complementary

Open in tool →

#cc3e6f · #cc9a3e

#9a3ecc · #cc533e · #6fcc3e

Contrast

#3eb6cc as textRatioAAAA largeAAAFix
Aaon white
2.4:1failfailfail
  • AA: use #278191 as the text (4.53:1)
  • AAA: use #1d616d as the text (7.04:1)
  • AA: or shift the background to #3d3d3d (4.54:1)
  • AAA: or shift the background to #1c1c1c (7.12:1)
Aaon black
8.77:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3eb6cc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#3eb6cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3eb6cc
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 #3eb6cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eb6cc-a2b7be-df4e7e-1f252d-e9f1ee?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