Color

#3b2cdd

#3b2cdd
hex#3b2cdd
rgbrgb(59, 44, 221)
hslhsl(245, 72%, 52%)
oklchoklch(0.456 0.249 274)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0795

Colors that go with #3b2cdd

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cedd2c

#2c76dd · #932cdd

#dd3b2c · #2cdd3b

Split-complementary

Open in tool →

#dd932c · #76dd2c

#dd2c76 · #cedd2c · #2cdd93

Contrast

#3b2cdd as textRatioAAAA largeAAAFix
Aaon white
8.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #7065e6 as the text (4.69:1)
  • AAA: use #958dec as the text (7.3:1)
  • AA: or shift the background to #c2c2c2 (4.55:1)
  • AAA: or shift the background to #f0f0f0 (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 #3b2cdd 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

#3b2cdd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b2cdd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3b2cdd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b2cdd-a49cc4-dfa54e-261f2d-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