Color

#3b07ca

#3b07ca
hex#3b07ca
rgbrgb(59, 7, 202)
hslhsl(256, 93%, 41%)
oklchoklch(0.408 0.248 277.3)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0535

Tints & shades

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

Harmonies

Complementary

Open in tool →

#96ca07

#0735ca · #9c07ca

#ca3b07 · #07ca3b

Split-complementary

Open in tool →

#ca9c07 · #35ca07

#ca0735 · #96ca07 · #07ca9c

Contrast

#3b07ca as textRatioAAAA largeAAAFix
Aaon white
10.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.07:1failfailfail
  • AA: use #7f53f9 as the text (4.51:1)
  • AAA: use #a484fb as the text (7.27:1)
  • AA: or shift the background to #adadad (4.52:1)
  • AAA: or shift the background to #d9d9d9 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b07ca 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

#3b07ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b07ca
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 #3b07ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b07ca-ab9cc4-dfbf4e-291f2d-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