Color

#3a0331

#3a0331
hex#3a0331
rgbrgb(58, 3, 49)
hslhsl(310, 90%, 12%)
oklchoklch(0.242 0.1 336.2)
Closest name: Dark Sanctuary (#3f012c)Relative luminance 0.0119

Tints & shades

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

Harmonies

Complementary

Open in tool →

#033a0c

#28033a · #3a0315

#313a03 · #03313a

Split-complementary

Open in tool →

#153a03 · #033a28

#3a2803 · #033a0c · #03153a

Contrast

#3a0331 as textRatioAAAA largeAAAFix
Aaon white
16.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #d50bb4 as the text (4.54:1)
  • AAA: use #f651da as the text (7.11:1)
  • AA: or shift the background to #858585 (4.6:1)
  • AAA: or shift the background to #a8a8a8 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a0331 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

#3a0331 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a0331
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 #3a0331 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a0331-c19fb7-83cb62-2d1f25-efe9f1?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