Color

#291e43

#291e43
hex#291e43
rgbrgb(41, 30, 67)
hslhsl(258, 38%, 19%)
oklchoklch(0.269 0.067 295.2)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0181

Tints & shades

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

Harmonies

Complementary

Open in tool →

#38431e

#1e2543 · #3b1e43

#43291e · #1e4329

Split-complementary

Open in tool →

#433b1e · #25431e

#431e25 · #38431e · #1e433b

Contrast

#291e43 as textRatioAAAA largeAAAFix
Aaon white
15.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #8168bb as the text (4.63:1)
  • AAA: use #9e8bcb as the text (7.01:1)
  • AA: or shift the background to #8c8c8c (4.59:1)
  • AAA: or shift the background to #b0b0b0 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #291e43 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#291e43 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #291e43
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 #291e43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/291e43-ad9cc4-dfc44e-291f2d-e9ebf1?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