Color

#3f8797

#3f8797
hex#3f8797
rgbrgb(63, 135, 151)
hslhsl(191, 41%, 42%)
oklchoklch(0.584 0.075 214.3)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2062

Colors that go with #3f8797

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#974f3f

#3f977b · #3f5b97

#973f87 · #87973f

Split-complementary

Open in tool →

#973f5b · #977b3f

#7b3f97 · #974f3f · #5b973f

Contrast

#3f8797 as textRatioAAAA largeAAAFix
Aaon white
4.1:1failpassfail
  • AA: use #3b7d8c as the text (4.67:1)
  • AAA: use #2c5d68 as the text (7.31:1)
  • AA: or shift the background to #121212 (4.57:1)
Aaon black
5.12:1passpassfail
  • AAA: use #4ba1b4 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f8797 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

#3f8797 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f8797
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 #3f8797 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f8797-a2b6be-df4e7a-1f252d-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