Color

#43757f

#43757f
hex#43757f
rgbrgb(67, 117, 127)
hslhsl(190, 31%, 38%)
oklchoklch(0.531 0.056 211.9)
Closest name: Calypso (#3d7188)Relative luminance 0.1545

Colors that go with #43757f

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 →

#7f4d43

#437f6b · #43577f

#7f4375 · #757f43

Split-complementary

Open in tool →

#7f4357 · #7f6b43

#6b437f · #7f4d43 · #577f43

Contrast

#43757f as textRatioAAAA largeAAAFix
Aaon white
5.13:1passpassfail
Aaon black
4.09:1failpassfail
  • AA: use #487e89 as the text (4.62:1)
  • AAA: use #62a0ac as the text (7.14:1)
  • AA: or shift the background to #f0f0f0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #43757f 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 #43757f
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 #43757f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43757f-a2b6be-df4e7c-1f252d-e9f1ef?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