Color

#3bd7e8

#3bd7e8
hex#3bd7e8
rgbrgb(59, 215, 232)
hslhsl(186, 79%, 57%)
oklchoklch(0.808 0.126 206)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5536

Colors that go with #3bd7e8

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 →

#e84c3b

#3be8a3 · #3b80e8

#e83bd7 · #d7e83b

Split-complementary

Open in tool →

#e83b80 · #e8a33b

#a33be8 · #e84c3b · #80e83b

Contrast

#3bd7e8 as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #11818d as the text (4.62:1)
  • AAA: use #0c6069 as the text (7.26:1)
  • AA: or shift the background to #4f4f4f (4.71:1)
  • AAA: or shift the background to #333333 (7.26:1)
Aaon black
12.07:1passpasspassPasses 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 #3bd7e8 as the background.

Brands using this color

Fonts for this mood

#3bd7e8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3bd7e8
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 #3bd7e8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bd7e8-a2b8be-df4e86-1f262d-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