Color

#3f032d

#3f032d
hex#3f032d
rgbrgb(63, 3, 45)
hslhsl(318, 91%, 13%)
oklchoklch(0.249 0.101 343.9)
Closest name: Dark Sanctuary (#3f012c)Relative luminance 0.0131

Tints & shades

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

Harmonies

Complementary

Open in tool →

#033f15

#33033f · #3f030f

#2d3f03 · #032d3f

Split-complementary

Open in tool →

#0f3f03 · #033f33

#3f3303 · #033f15 · #030f3f

Contrast

#3f032d as textRatioAAAA largeAAAFix
Aaon white
16.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #db0a9d as the text (4.54:1)
  • AAA: use #f755c6 as the text (7.07:1)
  • AA: or shift the background to #858585 (4.51:1)
  • AAA: or shift the background to #ababab (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f032d 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

#3f032d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f032d
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 #3f032d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f032d-c19fb3-75cb62-2d1f23-f0e9f1?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