Color

#3bd0de

#3bd0de
hex#3bd0de
rgbrgb(59, 208, 222)
hslhsl(185, 71%, 55%)
oklchoklch(0.788 0.122 204.4)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5132

Colors that go with #3bd0de

Charcoal, Crimson 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 →

#de483b

#3bde9a · #3b7fde

#de3bd0 · #d0de3b

Split-complementary

Open in tool →

#de3b7f · #de9a3b

#9a3bde · #de483b · #7fde3b

Contrast

#3bd0de as textRatioAAAA largeAAAFix
Aaon white
1.86:1failfailfail
  • AA: use #18828c as the text (4.55:1)
  • AAA: use #126169 as the text (7.14:1)
  • AA: or shift the background to #4d4d4d (4.53:1)
  • AAA: or shift the background to #303030 (7.08:1)
Aaon black
11.26:1passpasspassPasses 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 #3bd0de 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

#3bd0de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3bd0de
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 #3bd0de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bd0de-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