Color

#330c8d

#330c8d
hex#330c8d
rgbrgb(51, 12, 141)
hslhsl(258, 84%, 30%)
oklchoklch(0.33 0.183 283.6)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0289

Tints & shades

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

Harmonies

Complementary

Open in tool →

#668d0c

#0c268d · #730c8d

#8d330c · #0c8d33

Split-complementary

Open in tool →

#8d730c · #268d0c

#8d0c26 · #668d0c · #0c8d73

Contrast

#330c8d as textRatioAAAA largeAAAFix
Aaon white
13.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #8456f0 as the text (4.57:1)
  • AAA: use #a685f4 as the text (7.28:1)
  • AA: or shift the background to #999999 (4.67:1)
  • AAA: or shift the background to #bdbdbd (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #330c8d 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

#330c8d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #330c8d
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 #330c8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/330c8d-ad9cc4-dfc44e-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