Color

#3f024f

#3f024f
hex#3f024f
rgbrgb(63, 2, 79)
hslhsl(288, 95%, 16%)
oklchoklch(0.273 0.129 317.4)
Closest name: Romanic Scene (#3b0346)Relative luminance 0.0166

Tints & shades

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

Harmonies

Complementary

Open in tool →

#125002

#190250 · #500238

#504002 · #025040

Split-complementary

Open in tool →

#385002 · #025019

#501902 · #125002 · #023850

Contrast

#3f024f as textRatioAAAA largeAAAFix
Aaon white
15.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #c006ef as the text (4.51:1)
  • AAA: use #dc60fb as the text (7.11:1)
  • AA: or shift the background to #8a8a8a (4.56:1)
  • AAA: or shift the background to #adadad (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f024f 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

#3f024f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f024f
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 #3f024f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f024f-be9fc1-aacb62-2d1f2a-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