Color

#3cbfd3

#3cbfd3
hex#3cbfd3
rgbrgb(60, 191, 211)
hslhsl(188, 63%, 53%)
oklchoklch(0.743 0.113 209.8)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4293

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d3503c

#3cd39b · #3c73d3

#d33cbf · #bfd33c

Split-complementary

Open in tool →

#d33c73 · #d39b3c

#9b3cd3 · #d3503c · #73d33c

Contrast

#3cbfd3 as textRatioAAAA largeAAAFix
Aaon white
2.19:1failfailfail
  • AA: use #218291 as the text (4.5:1)
  • AAA: use #19616c as the text (7.08:1)
  • AA: or shift the background to #424242 (4.59:1)
  • AAA: or shift the background to #242424 (7.09:1)
Aaon black
9.59:1passpasspassPasses 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 #3cbfd3 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

#3cbfd3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3cbfd3
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 #3cbfd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cbfd3-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