Color

#3005cc

#3005cc
hex#3005cc
rgbrgb(48, 5, 204)
hslhsl(253, 95%, 41%)
oklchoklch(0.402 0.253 273.4)
Closest name: Busty Blue (#3300cc)Relative luminance 0.051

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a1cc05

#053ecc · #9405cc

#cc3005 · #05cc30

Split-complementary

Open in tool →

#cc9405 · #3ecc05

#cc053e · #a1cc05 · #05cc94

Contrast

#3005cc as textRatioAAAA largeAAAFix
Aaon white
10.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #7a56fb as the text (4.55:1)
  • AAA: use #9d83fc as the text (7.09:1)
  • AA: or shift the background to #ababab (4.53:1)
  • AAA: or shift the background to #d4d4d4 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3005cc 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

#3005cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3005cc
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 #3005cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3005cc-a99cc4-dfb84e-281f2d-e9ebf1?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