Color

#3f86a2

#3f86a2
hex#3f86a2
rgbrgb(63, 134, 162)
hslhsl(197, 44%, 44%)
oklchoklch(0.586 0.083 226.7)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2072

Colors that go with #3f86a2

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 #3f86a2

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a25b3f

#3fa28c · #3f54a2

#a23f86 · #86a23f

Split-complementary

Open in tool →

#a23f54 · #a28c3f

#8c3fa2 · #a25b3f · #54a23f

Contrast

#3f86a2 as textRatioAAAA largeAAAFix
Aaon white
4.08:1failpassfail
  • AA: use #3b7c97 as the text (4.65:1)
  • AAA: use #2c5e72 as the text (7.12:1)
  • AA: or shift the background to #141414 (4.51:1)
Aaon black
5.14:1passpassfail
  • AAA: use #56a0bd as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f86a2 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

#3f86a2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f86a2
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 #3f86a2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f86a2-9cb4c4-df4e6b-1f232d-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