Color

#3c8a9f

#3c8a9f
hex#3c8a9f
rgbrgb(60, 138, 159)
hslhsl(193, 45%, 43%)
oklchoklch(0.593 0.082 218.3)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2164

Colors that go with #3c8a9f

Charcoal, Copper and Amber 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.

Real palettes that use #3c8a9f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9f523c

#3c9f83 · #3c589f

#9f3c8a · #8a9f3c

Split-complementary

Open in tool →

#9f3c58 · #9f833c

#833c9f · #9f523c · #589f3c

Contrast

#3c8a9f as textRatioAAAA largeAAAFix
Aaon white
3.94:1failpassfail
  • AA: use #377d90 as the text (4.67:1)
  • AAA: use #295d6b as the text (7.31:1)
  • AA: or shift the background to #171717 (4.55:1)
Aaon black
5.33:1passpassfail
  • AAA: use #4aa2ba as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c8a9f 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

#3c8a9f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c8a9f
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 #3c8a9f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c8a9f-a2b5be-df4e75-1f242d-e9f1ef?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