Color

#330c5a

#330c5a
hex#330c5a
rgbrgb(51, 12, 90)
hslhsl(270, 76%, 20%)
oklchoklch(0.273 0.127 300.4)
Closest name: Cotinga Purple (#340059)Relative luminance 0.017

Tints & shades

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

Harmonies

Complementary

Open in tool →

#335a0c

#0c0c5a · #5a0c5a

#5a330c · #0c5a33

Split-complementary

Open in tool →

#5a5a0c · #0c5a0c

#5a0c0c · #335a0c · #0c5a5a

Contrast

#330c5a as textRatioAAAA largeAAAFix
Aaon white
15.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #994be7 as the text (4.51:1)
  • AAA: use #b57ded as the text (7.12:1)
  • AA: or shift the background to #8a8a8a (4.54:1)
  • AAA: or shift the background to #b0b0b0 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #330c5a 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

#330c5a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #330c5a
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 #330c5a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/330c5a-b59cc4-c9cb62-2c1f2d-eae9f1?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