Color

#3fbecf

#3fbecf
hex#3fbecf
rgbrgb(63, 190, 207)
hslhsl(187, 60%, 53%)
oklchoklch(0.74 0.11 207.9)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4239

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf503f

#3fcf98 · #3f76cf

#cf3fbe · #becf3f

Split-complementary

Open in tool →

#cf3f76 · #cf983f

#983fcf · #cf503f · #76cf3f

Contrast

#3fbecf as textRatioAAAA largeAAAFix
Aaon white
2.22:1failfailfail
  • AA: use #24828f as the text (4.5:1)
  • AAA: use #1b616a as the text (7.08:1)
  • AA: or shift the background to #424242 (4.54:1)
  • AAA: or shift the background to #242424 (7.01:1)
Aaon black
9.48:1passpasspassPasses 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 #3fbecf 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

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

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

tool url/palettes/new/3fbecf-a2b8be-df4e83-1f262d-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