Color

#3c889f

#3c889f
hex#3c889f
rgbrgb(60, 136, 159)
hslhsl(194, 45%, 43%)
oklchoklch(0.589 0.082 220.7)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2107

Colors that go with #3c889f

Charcoal, Copper and Chocolate 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 #3c889f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9f533c

#3c9f85 · #3c579f

#9f3c88 · #889f3c

Split-complementary

Open in tool →

#9f3c57 · #9f853c

#853c9f · #9f533c · #579f3c

Contrast

#3c889f as textRatioAAAA largeAAAFix
Aaon white
4.03:1failpassfail
  • AA: use #387e94 as the text (4.59:1)
  • AAA: use #2a5f6f as the text (7.08:1)
  • AA: or shift the background to #141414 (4.57:1)
Aaon black
5.21:1passpassfail
  • AAA: use #4aa0ba as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c889f 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

#3c889f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c889f
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 #3c889f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c889f-9cb6c4-df4e72-1f242d-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