Color

#3cd9e7

#3cd9e7
hex#3cd9e7
rgbrgb(60, 217, 231)
hslhsl(185, 78%, 57%)
oklchoklch(0.813 0.126 204)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.5636

Colors that go with #3cd9e7

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 →

#e74a3c

#3ce7a0 · #3c83e7

#e73cd9 · #d9e73c

Split-complementary

Open in tool →

#e73c83 · #e7a03c

#a03ce7 · #e74a3c · #83e73c

Contrast

#3cd9e7 as textRatioAAAA largeAAAFix
Aaon white
1.71:1failfailfail
  • AA: use #11828d as the text (4.56:1)
  • AAA: use #0d6168 as the text (7.17:1)
  • AA: or shift the background to #525252 (4.57:1)
  • AAA: or shift the background to #363636 (7.06:1)
Aaon black
12.27:1passpasspassPasses 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 #3cd9e7 as the background.

Brands using this color

Fonts for this mood

#3cd9e7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3cd9e7
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 #3cd9e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cd9e7-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