Color

#43486b

#43486b
hex#43486b
rgbrgb(67, 72, 107)
hslhsl(233, 23%, 34%)
oklchoklch(0.413 0.059 277.3)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0689

Colors that go with #43486b

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 →

#6b6643

#435b6b · #52436b

#6b4347 · #476b43

Split-complementary

Open in tool →

#6b5243 · #5b6b43

#6b435b · #6b6643 · #436b52

Contrast

#43486b as textRatioAAAA largeAAAFix
Aaon white
8.83:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #6c72a3 as the text (4.57:1)
  • AAA: use #8e93b8 as the text (7.02:1)
  • AA: or shift the background to #bababa (4.55:1)
  • AAA: or shift the background to #e6e6e6 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #43486b 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 #43486b
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 #43486b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43486b-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