Color

#290f52

#290f52
hex#290f52
rgbrgb(41, 15, 82)
hslhsl(263, 69%, 19%)
oklchoklch(0.256 0.113 294.7)
Closest name: Hollow Knight (#330055)Relative luminance 0.0142

Tints & shades

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

Harmonies

Complementary

Open in tool →

#38520f

#0f1752 · #4a0f52

#52290f · #0f5229

Split-complementary

Open in tool →

#524a0f · #17520f

#520f17 · #38520f · #0f524a

Contrast

#290f52 as textRatioAAAA largeAAAFix
Aaon white
16.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #8c57e0 as the text (4.55:1)
  • AAA: use #a982e8 as the text (7.05:1)
  • AA: or shift the background to #878787 (4.55:1)
  • AAA: or shift the background to #ababab (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #290f52 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

#290f52 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #290f52
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 #290f52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/290f52-b09cc4-dfd04e-2b1f2d-e9eaf1?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