Color

#3c486d

#3c486d
hex#3c486d
rgbrgb(60, 72, 109)
hslhsl(225, 29%, 33%)
oklchoklch(0.408 0.064 269.7)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.067

Colors that go with #3c486d

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 →

#6d603c

#3c606d · #483c6d

#6d3c48 · #486d3c

Split-complementary

Open in tool →

#6d483c · #606d3c

#6d3c60 · #6d603c · #3c6d48

Contrast

#3c486d as textRatioAAAA largeAAAFix
Aaon white
8.97:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #6173a8 as the text (4.53:1)
  • AAA: use #8996be as the text (7.17:1)
  • AA: or shift the background to #b8b8b8 (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c486d 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 #3c486d
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 #3c486d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c486d-9ca1c4-df754e-221f2d-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