Color

#2904cd

#2904cd
hex#2904cd
rgbrgb(41, 4, 205)
hslhsl(251, 96%, 41%)
oklchoklch(0.398 0.256 271.2)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0497

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a8cd04

#0444cd · #8d04cd

#cd2904 · #04cd29

Split-complementary

Open in tool →

#cd8d04 · #44cd04

#cd0444 · #a8cd04 · #04cd8d

Contrast

#2904cd as textRatioAAAA largeAAAFix
Aaon white
10.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #785afc as the text (4.67:1)
  • AAA: use #9d87fd as the text (7.32:1)
  • AA: or shift the background to #ababab (4.59:1)
  • AAA: or shift the background to #d4d4d4 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2904cd 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

#2904cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2904cd
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 #2904cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2904cd-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