Color

#3dfaf7

#3dfaf7
hex#3dfaf7
rgbrgb(61, 250, 247)
hslhsl(179, 95%, 61%)
oklchoklch(0.896 0.143 193.3)
Closest name: Arctic Water (#00fcfc)Relative luminance 0.7608

Colors that go with #3dfaf7

Charcoal, Deep Sky Blue and Taupe 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 →

#fa3d40

#3dfa98 · #3d9ffa

#f73dfa · #faf73d

Split-complementary

Open in tool →

#fa3d9f · #fa983d

#983dfa · #fa3d40 · #9ffa3d

Contrast

#3dfaf7 as textRatioAAAA largeAAAFix
Aaon white
1.3:1failfailfail
  • AA: use #03817f as the text (4.72:1)
  • AAA: use #036362 as the text (7.08:1)
  • AA: or shift the background to #636363 (4.64:1)
  • AAA: or shift the background to #474747 (7.17:1)
Aaon black
16.22:1passpasspassPasses 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 #3dfaf7 as the background.

Brands using this color

mcpConnect your agent — build around #3dfaf7
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 #3dfaf7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dfaf7-a2bbbe-d45996-1f272d-e9f1ed?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