Color

#3f033a

#3f033a
hex#3f033a
rgbrgb(63, 3, 58)
hslhsl(305, 91%, 13%)
oklchoklch(0.257 0.11 332.2)
Closest name: Eggplant (#430541)Relative luminance 0.0143

Tints & shades

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

Harmonies

Complementary

Open in tool →

#033f08

#26033f · #3f031c

#3a3f03 · #033a3f

Split-complementary

Open in tool →

#1c3f03 · #033f26

#3f2603 · #033f08 · #031c3f

Contrast

#3f033a as textRatioAAAA largeAAAFix
Aaon white
16.34:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #d10ac1 as the text (4.52:1)
  • AAA: use #f74be8 as the text (7.13:1)
  • AA: or shift the background to #878787 (4.55:1)
  • AAA: or shift the background to #ababab (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f033a 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

#3f033a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f033a
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 #3f033a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f033a-c19fba-8ccb62-2d1f26-eee9f1?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