Color

#3e486f

#3e486f
hex#3e486f
rgbrgb(62, 72, 111)
hslhsl(228, 28%, 34%)
oklchoklch(0.411 0.067 272.2)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0681

Colors that go with #3e486f

Steel Blue, Blue and Cadet 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 →

#6f653e

#3e606f · #4d3e6f

#6f3e48 · #486f3e

Split-complementary

Open in tool →

#6f4d3e · #606f3e

#6f3e60 · #6f653e · #3e6f4d

Contrast

#3e486f as textRatioAAAA largeAAAFix
Aaon white
8.89:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #6673a9 as the text (4.59:1)
  • AAA: use #8994bd as the text (7.03:1)
  • AA: or shift the background to #bababa (4.58:1)
  • AAA: or shift the background to #e6e6e6 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e486f as the background.

Brands using this color

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

mcpConnect your agent — build around #3e486f
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 #3e486f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e486f-9c9fc4-df7c4e-231f2d-e9eff1?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