Color

#3f8a92

#3f8a92
hex#3f8a92
rgbrgb(63, 138, 146)
hslhsl(186, 40%, 41%)
oklchoklch(0.589 0.075 204.7)
Closest name: darkcyan (#008b8b)Relative luminance 0.2131

Colors that go with #3f8a92

Charcoal, Copper and Cobalt 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 →

#92473f

#3f9271 · #3f6092

#923f8a · #8a923f

Split-complementary

Open in tool →

#923f60 · #92713f

#713f92 · #92473f · #60923f

Contrast

#3f8a92 as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #3a8088 as the text (4.54:1)
  • AAA: use #2b5e64 as the text (7.27:1)
  • AA: or shift the background to #141414 (4.62:1)
Aaon black
5.26:1passpassfail
  • AAA: use #49a2ab as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f8a92 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#3f8a92 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f8a92
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 #3f8a92 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f8a92-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