Color

#29435b

#29435b
hex#29435b
rgbrgb(41, 67, 91)
hslhsl(209, 38%, 26%)
oklchoklch(0.373 0.052 247.5)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0524

Colors that go with #29435b

Teal, Sienna 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 →

#5b4129

#295b5b · #292a5b

#5b2943 · #435b29

Split-complementary

Open in tool →

#5b292a · #5b5b29

#5b295b · #5b4129 · #2a5b29

Contrast

#29435b as textRatioAAAA largeAAAFix
Aaon white
10.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #4a79a5 as the text (4.57:1)
  • AAA: use #729ac0 as the text (7.1:1)
  • AA: or shift the background to #adadad (4.57:1)
  • AAA: or shift the background to #d6d6d6 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #29435b as the background.

Brands using this color

Fonts for this mood

#29435b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #29435b
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 #29435b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/29435b-9cacc4-df4e4e-1f212d-e9f1f1?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