Color

#2d09fb

#2d09fb
hex#2d09fb
rgbrgb(45, 9, 251)
hslhsl(249, 97%, 51%)
oklchoklch(0.461 0.3 269.5)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0772

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d7fb09

#095efb · #a609fb

#fb2d09 · #09fb2d

Split-complementary

Open in tool →

#fba609 · #5efb09

#fb095e · #d7fb09 · #09fba6

Contrast

#2d09fb as textRatioAAAA largeAAAFix
Aaon white
8.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.54:1failfailfail
  • AA: use #7259fc as the text (4.55:1)
  • AAA: use #9886fd as the text (7.16:1)
  • AA: or shift the background to #c2c2c2 (4.63:1)
  • AAA: or shift the background to #ededed (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d09fb as the background.

Brands using this color

Fonts for this mood

#2d09fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d09fb
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 #2d09fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d09fb-a79cc4-dfae4e-271f2d-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