Color

#3cb3c8

#3cb3c8
hex#3cb3c8
rgbrgb(60, 179, 200)
hslhsl(189, 56%, 51%)
oklchoklch(0.71 0.107 211.8)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3737

Colors that go with #3cb3c8

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 →

#c8513c

#3cc897 · #3c6dc8

#c83cb3 · #b3c83c

Split-complementary

Open in tool →

#c83c6d · #c8973c

#973cc8 · #c8513c · #6dc83c

Contrast

#3cb3c8 as textRatioAAAA largeAAAFix
Aaon white
2.48:1failfailfail
  • AA: use #28808f as the text (4.59:1)
  • AAA: use #1e606b as the text (7.14:1)
  • AA: or shift the background to #3b3b3b (4.52:1)
  • AAA: or shift the background to #1a1a1a (7.02:1)
Aaon black
8.47:1passpasspassPasses 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 #3cb3c8 as the background.

Brands using this color

Fonts for this mood

#3cb3c8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3cb3c8
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 #3cb3c8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cb3c8-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