Color

#3ac8cf

#3ac8cf
hex#3ac8cf
rgbrgb(58, 200, 207)
hslhsl(183, 61%, 52%)
oklchoklch(0.763 0.117 199.9)
Closest name: darkturquoise (#00ced1)Relative luminance 0.4671

Colors that go with #3ac8cf

Charcoal, Light Coral 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 →

#cf413a

#3acf8c · #3a7dcf

#cf3ac8 · #c8cf3a

Split-complementary

Open in tool →

#cf3a7d · #cf8c3a

#8c3acf · #cf413a · #7dcf3a

Contrast

#3ac8cf as textRatioAAAA largeAAAFix
Aaon white
2.03:1failfailfail
  • AA: use #218287 as the text (4.56:1)
  • AAA: use #185f63 as the text (7.35:1)
  • AA: or shift the background to #474747 (4.58:1)
  • AAA: or shift the background to #292929 (7.17:1)
Aaon black
10.34:1passpasspassPasses 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 #3ac8cf 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

#3ac8cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ac8cf
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 #3ac8cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ac8cf-a2b9be-d4598e-1f262d-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