Color

#41435d

#41435d
hex#41435d
rgbrgb(65, 67, 93)
hslhsl(236, 18%, 31%)
oklchoklch(0.392 0.044 280.7)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0593

Colors that go with #41435d

Steel Blue, Teal and 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 →

#5d5b41

#41515d · #4d415d

#5d4143 · #435d41

Split-complementary

Open in tool →

#5d4d41 · #515d41

#5d4151 · #5d5b41 · #415d4d

Contrast

#41435d as textRatioAAAA largeAAAFix
Aaon white
9.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #6f729b as the text (4.56:1)
  • AAA: use #9395b4 as the text (7.2:1)
  • AA: or shift the background to #b3b3b3 (4.58:1)
  • AAA: or shift the background to #dedede (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #41435d as the background.

Brands using this color

mcpConnect your agent — build around #41435d
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 #41435d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/41435d-9e9cc4-df8f4e-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