Color

#3dfaf4

#3dfaf4
hex#3dfaf4
rgbrgb(61, 250, 244)
hslhsl(178, 95%, 61%)
oklchoklch(0.895 0.143 191.6)
Closest name: Arctic Water (#00fcfc)Relative luminance 0.7589

Colors that go with #3dfaf4

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 →

#fa3d43

#3dfa95 · #3da2fa

#f43dfa · #faf43d

Split-complementary

Open in tool →

#fa3da2 · #fa953d

#953dfa · #fa3d43 · #a2fa3d

Contrast

#3dfaf4 as textRatioAAAA largeAAAFix
Aaon white
1.3:1failfailfail
  • AA: use #03817d as the text (4.73:1)
  • AAA: use #036360 as the text (7.1:1)
  • AA: or shift the background to #636363 (4.63:1)
  • AAA: or shift the background to #474747 (7.16:1)
Aaon black
16.18:1passpasspassPasses 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 #3dfaf4 as the background.

Brands using this color

mcpConnect your agent — build around #3dfaf4
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 #3dfaf4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dfaf4-a2bcbe-d45999-1f282d-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