Color

#3fa8ab

#3fa8ab
hex#3fa8ab
rgbrgb(63, 168, 171)
hslhsl(182, 46%, 46%)
oklchoklch(0.673 0.095 197.8)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.32

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab433f

#3fab79 · #3f72ab

#ab3fa8 · #a8ab3f

Split-complementary

Open in tool →

#ab3f72 · #ab793f

#793fab · #ab433f · #72ab3f

Contrast

#3fa8ab as textRatioAAAA largeAAAFix
Aaon white
2.84:1failfailfail
  • AA: use #308082 as the text (4.63:1)
  • AAA: use #245f61 as the text (7.28:1)
  • AA: or shift the background to #303030 (4.65:1)
  • AAA: or shift the background to #080808 (7.06:1)
Aaon black
7.4:1passpasspassPasses 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 #3fa8ab 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

#3fa8ab reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3fa8ab
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 #3fa8ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fa8ab-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