Color

#290cac

#290cac
hex#290cac
rgbrgb(41, 12, 172)
hslhsl(251, 87%, 36%)
oklchoklch(0.36 0.219 274)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0371

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8eac0c

#0c3fac · #790cac

#ac290c · #0cac29

Split-complementary

Open in tool →

#ac790c · #3fac0c

#ac0c3f · #8eac0c · #0cac79

Contrast

#290cac as textRatioAAAA largeAAAFix
Aaon white
12.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #795df4 as the text (4.69:1)
  • AAA: use #9c88f7 as the text (7.28:1)
  • AA: or shift the background to #a1a1a1 (4.66:1)
  • AAA: or shift the background to #c7c7c7 (7.13:1)

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

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

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

tool url/palettes/new/290cac-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