Color

#3fd7ee

#3fd7ee
hex#3fd7ee
rgbrgb(63, 215, 238)
hslhsl(188, 84%, 59%)
oklchoklch(0.811 0.126 209.9)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.5583

Colors that go with #3fd7ee

Charcoal, Crimson 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 →

#ee563f

#3feeae · #3f7fee

#ee3fd7 · #d7ee3f

Split-complementary

Open in tool →

#ee3f7f · #eeae3f

#ae3fee · #ee563f · #7fee3f

Contrast

#3fd7ee as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #0d8091 as the text (4.65:1)
  • AAA: use #095f6c as the text (7.33:1)
  • AA: or shift the background to #525252 (4.53:1)
  • AAA: or shift the background to #363636 (7:1)
Aaon black
12.17:1passpasspassPasses 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 #3fd7ee as the background.

Brands using this color

Fonts for this mood

#3fd7ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3fd7ee
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 #3fd7ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fd7ee-a2b7be-df4e81-1f252d-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