Color

#3e446f

#3e446f
hex#3e446f
rgbrgb(62, 68, 111)
hslhsl(233, 28%, 34%)
oklchoklch(0.402 0.073 276.6)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0631

Colors that go with #3e446f

Steel Blue, Blue and Copper 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 →

#6f693e

#3e5c6f · #513e6f

#6f3e44 · #446f3e

Split-complementary

Open in tool →

#6f513e · #5c6f3e

#6f3e5c · #6f693e · #3e6f51

Contrast

#3e446f as textRatioAAAA largeAAAFix
Aaon white
9.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #6971ab as the text (4.55:1)
  • AAA: use #8d93bf as the text (7.06:1)
  • AA: or shift the background to #b5b5b5 (4.53:1)
  • AAA: or shift the background to #e0e0e0 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e446f 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 #3e446f
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 #3e446f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e446f-9c9cc4-df884e-241f2d-e9eef1?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