Color

#43677f

#43677f
hex#43677f
rgbrgb(67, 103, 127)
hslhsl(204, 31%, 38%)
oklchoklch(0.496 0.056 238.6)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1243

Colors that go with #43677f

Charcoal, Sienna 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f5b43

#437f79 · #43497f

#7f4367 · #677f43

Split-complementary

Open in tool →

#7f4349 · #7f7943

#79437f · #7f5b43 · #497f43

Contrast

#43677f as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #3c5c72 as the text (7.08:1)
Aaon black
3.49:1failpassfail
  • AA: use #4f7a96 as the text (4.56:1)
  • AAA: use #739bb5 as the text (7.08:1)
  • AA: or shift the background to #e0e0e0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #43677f 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 #43677f
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 #43677f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43677f-9cafc4-df4e5a-1f222d-e9f1f0?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