Color

#3f2fbc

#3f2fbc
hex#3f2fbc
rgbrgb(63, 47, 188)
hslhsl(247, 60%, 46%)
oklchoklch(0.428 0.208 278.1)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0672

Tints & shades

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

Harmonies

Complementary

Open in tool →

#abbc2f

#2f65bc · #862fbc

#bc3f2f · #2fbc3f

Split-complementary

Open in tool →

#bc862f · #65bc2f

#bc2f65 · #abbc2f · #2fbc86

Contrast

#3f2fbc as textRatioAAAA largeAAAFix
Aaon white
8.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #7264d8 as the text (4.53:1)
  • AAA: use #978de2 as the text (7.22:1)
  • AA: or shift the background to #b8b8b8 (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f2fbc 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

#3f2fbc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f2fbc
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 #3f2fbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f2fbc-a59cc4-dfaa4e-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