Color

#330aae

#330aae
hex#330aae
rgbrgb(51, 10, 174)
hslhsl(255, 89%, 36%)
oklchoklch(0.368 0.219 277.8)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0398

Tints & shades

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

Harmonies

Complementary

Open in tool →

#85ae0a

#0a33ae · #850aae

#ae330a · #0aae33

Split-complementary

Open in tool →

#ae850a · #33ae0a

#ae0a33 · #85ae0a · #0aae85

Contrast

#330aae as textRatioAAAA largeAAAFix
Aaon white
11.7:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #7e56f5 as the text (4.54:1)
  • AAA: use #9f82f8 as the text (7.02:1)
  • AA: or shift the background to #a1a1a1 (4.53:1)
  • AAA: or shift the background to #c9c9c9 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #330aae 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

#330aae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #330aae
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 #330aae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/330aae-ab9cc4-dfbd4e-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