Color

#291d4e

#291d4e
hex#291d4e
rgbrgb(41, 29, 78)
hslhsl(255, 46%, 21%)
oklchoklch(0.275 0.086 290.9)
Closest name: Azulado (#211d49)Relative luminance 0.019

Tints & shades

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

Harmonies

Complementary

Open in tool →

#424e1d

#1d294e · #421d4e

#4e291d · #1d4e29

Split-complementary

Open in tool →

#4e421d · #294e1d

#4e1d29 · #424e1d · #1d4e42

Contrast

#291d4e as textRatioAAAA largeAAAFix
Aaon white
15.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #7e66c7 as the text (4.61:1)
  • AAA: use #9e8cd4 as the text (7.16:1)
  • AA: or shift the background to #8c8c8c (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #291d4e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#291d4e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #291d4e
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 #291d4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/291d4e-ab9cc4-dfbd4e-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