Color

#3ac7d4

#3ac7d4
hex#3ac7d4
rgbrgb(58, 199, 212)
hslhsl(185, 64%, 53%)
oklchoklch(0.762 0.117 204.2)
Closest name: darkturquoise (#00ced1)Relative luminance 0.465

Colors that go with #3ac7d4

Charcoal, Blue and Dark Orange 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 →

#d4473a

#3ad494 · #3a7ad4

#d43ac7 · #c7d43a

Split-complementary

Open in tool →

#d43a7a · #d4943a

#943ad4 · #d4473a · #7ad43a

Contrast

#3ac7d4 as textRatioAAAA largeAAAFix
Aaon white
2.04:1failfailfail
  • AA: use #1e818a as the text (4.6:1)
  • AAA: use #176269 as the text (7.03:1)
  • AA: or shift the background to #474747 (4.56:1)
  • AAA: or shift the background to #292929 (7.14:1)
Aaon black
10.3:1passpasspassPasses 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 #3ac7d4 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

#3ac7d4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ac7d4
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 #3ac7d4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ac7d4-a2b8be-df4e88-1f262d-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