Color

#290d36

#290d36
hex#290d36
rgbrgb(41, 13, 54)
hslhsl(281, 61%, 13%)
oklchoklch(0.227 0.08 313.3)
Closest name: Dark Prom Queen (#2b0f2e)Relative luminance 0.0103

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1a350d

#140d35 · #350d2e

#35290d · #0d3529

Split-complementary

Open in tool →

#2e350d · #0d3514

#35140d · #1a350d · #0d2e35

Contrast

#290d36 as textRatioAAAA largeAAAFix
Aaon white
17.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #a84ad3 as the text (4.59:1)
  • AAA: use #c07cdf as the text (7.19:1)
  • AA: or shift the background to #828282 (4.53:1)
  • AAA: or shift the background to #a6a6a6 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #290d36 as the background.

Brands using this color

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

Fonts for this mood

#290d36 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #290d36
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 #290d36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/290d36-ba9fc1-b6cb62-2d1f2c-ebe9f1?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