Color

#3327dd

#3327dd
hex#3327dd
rgbrgb(51, 39, 221)
hslhsl(244, 73%, 51%)
oklchoklch(0.447 0.255 272)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0738

Colors that go with #3327dd

Charcoal, Cornflower Blue and Crimson 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 →

#d1dd27

#2776dd · #8e27dd

#dd3327 · #27dd33

Split-complementary

Open in tool →

#dd8e27 · #76dd27

#dd2776 · #d1dd27 · #27dd8e

Contrast

#3327dd as textRatioAAAA largeAAAFix
Aaon white
8.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.48:1failfailfail
  • AA: use #6d65e7 as the text (4.67:1)
  • AAA: use #938ced as the text (7.21:1)
  • AA: or shift the background to #bdbdbd (4.52:1)
  • AAA: or shift the background to #ebebeb (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3327dd 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

#3327dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3327dd
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 #3327dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3327dd-a39cc4-dfa24e-261f2d-e9edf1?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