Color

#291e34

#291e34
hex#291e34
rgbrgb(41, 30, 52)
hslhsl(270, 27%, 16%)
oklchoklch(0.259 0.043 306.6)
Closest name: Black Velvet (#222233)Relative luminance 0.0165

Tints & shades

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

Harmonies

Complementary

Open in tool →

#29341e

#1e1e34 · #341e34

#34291e · #1e3429

Split-complementary

Open in tool →

#34341e · #1e341e

#341e1e · #29341e · #1e3434

Contrast

#291e34 as textRatioAAAA largeAAAFix
Aaon white
15.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #8767a8 as the text (4.54:1)
  • AAA: use #a68ebe as the text (7.23:1)
  • AA: or shift the background to #8a8a8a (4.58:1)
  • AAA: or shift the background to #adadad (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #291e34 as the background.

Brands using this color

Fonts for this mood

#291e34 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #291e34
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 #291e34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/291e34-b59cc4-c9cb62-2c1f2d-eae9f1?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