Color

#434d75

#434d75
hex#434d75
rgbrgb(67, 77, 117)
hslhsl(228, 27%, 36%)
oklchoklch(0.43 0.068 272.6)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0779

Tints & shades

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

Harmonies

Complementary

Open in tool →

#756b43

#436675 · #524375

#75434d · #4d7543

Split-complementary

Open in tool →

#755243 · #667543

#754366 · #756b43 · #437552

Contrast

#434d75 as textRatioAAAA largeAAAFix
Aaon white
8.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.56:1failfailfail
  • AA: use #6774a8 as the text (4.64:1)
  • AAA: use #8a94bc as the text (7.04:1)
  • AA: or shift the background to #c2c2c2 (4.61:1)
  • AAA: or shift the background to #ededed (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #434d75 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 #434d75
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #434d75 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/434d75-9c9fc4-df7c4e-231f2d-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