Color

#3eb7bb

#3eb7bb
hex#3eb7bb
rgbrgb(62, 183, 187)
hslhsl(182, 50%, 49%)
oklchoklch(0.715 0.105 198.3)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3848

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bb433e

#3ebb81 · #3e79bb

#bb3eb7 · #b7bb3e

Split-complementary

Open in tool →

#bb3e79 · #bb813e

#813ebb · #bb433e · #79bb3e

Contrast

#3eb7bb as textRatioAAAA largeAAAFix
Aaon white
2.41:1failfailfail
  • AA: use #2b7f82 as the text (4.71:1)
  • AAA: use #216163 as the text (7.11:1)
  • AA: or shift the background to #3b3b3b (4.64:1)
  • AAA: or shift the background to #1c1c1c (7.06:1)
Aaon black
8.7:1passpasspassPasses 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 #3eb7bb as the background.

Brands using this color

Fonts for this mood

#3eb7bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3eb7bb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3eb7bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eb7bb-a2babe-d45990-1f272d-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