Color

#2909aa

#2909aa
hex#2909aa
rgbrgb(41, 9, 170)
hslhsl(252, 90%, 35%)
oklchoklch(0.356 0.218 274.3)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0357

Tints & shades

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

Harmonies

Complementary

Open in tool →

#89aa09

#0939aa · #7909aa

#aa2909 · #09aa29

Split-complementary

Open in tool →

#aa7909 · #39aa09

#aa0939 · #89aa09 · #09aa79

Contrast

#2909aa as textRatioAAAA largeAAAFix
Aaon white
12.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #795af6 as the text (4.61:1)
  • AAA: use #9d86f9 as the text (7.21:1)
  • AA: or shift the background to #9e9e9e (4.57:1)
  • AAA: or shift the background to #c4c4c4 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2909aa 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

#2909aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2909aa
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 #2909aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2909aa-a99cc4-dfb64e-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