Color

#290bad

#290bad
hex#290bad
rgbrgb(41, 11, 173)
hslhsl(251, 88%, 36%)
oklchoklch(0.36 0.221 273.9)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0373

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8fad0b

#0b3ead · #790bad

#ad290b · #0bad29

Split-complementary

Open in tool →

#ad790b · #3ead0b

#ad0b3e · #8fad0b · #0bad79

Contrast

#290bad as textRatioAAAA largeAAAFix
Aaon white
12.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #785cf5 as the text (4.65:1)
  • AAA: use #9c87f7 as the text (7.22:1)
  • AA: or shift the background to #a1a1a1 (4.66:1)
  • AAA: or shift the background to #c7c7c7 (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 #290bad 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

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

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

tool url/palettes/new/290bad-a89cc4-dfb34e-281f2d-e9ecf1?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