Color

#3f024b

#3f024b
hex#3f024b
rgbrgb(63, 2, 75)
hslhsl(290, 95%, 15%)
oklchoklch(0.269 0.126 319.9)
Closest name: Romanic Scene (#3b0346)Relative luminance 0.0161

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0e4b02

#1a024b · #4b0232

#4b3e02 · #024b3e

Split-complementary

Open in tool →

#324b02 · #024b1a

#4b1a02 · #0e4b02 · #02324b

Contrast

#3f024b as textRatioAAAA largeAAAFix
Aaon white
15.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #c406ea as the text (4.56:1)
  • AAA: use #e05bfb as the text (7.06:1)
  • AA: or shift the background to #8a8a8a (4.6:1)
  • AAA: or shift the background to #adadad (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 #3f024b 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

#3f024b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f024b
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 #3f024b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f024b-bf9fc1-a6cb62-2d1f29-ece9f1?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