Color

#2909ce

#2909ce
hex#2909ce
rgbrgb(41, 9, 206)
hslhsl(250, 92%, 42%)
oklchoklch(0.402 0.256 271.1)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0512

Tints & shades

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

Harmonies

Complementary

Open in tool →

#adce09

#094ace · #8c09ce

#ce2909 · #09ce29

Split-complementary

Open in tool →

#ce8c09 · #4ace09

#ce094a · #adce09 · #09ce8c

Contrast

#2909ce as textRatioAAAA largeAAAFix
Aaon white
10.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #7359f8 as the text (4.51:1)
  • AAA: use #9885fa as the text (7.07:1)
  • AA: or shift the background to #ababab (4.52:1)
  • AAA: or shift the background to #d6d6d6 (7.14:1)

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

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

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

tool url/palettes/new/2909ce-a79cc4-dfb14e-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