Color

#3d0a67

#3d0a67
hex#3d0a67
rgbrgb(61, 10, 103)
hslhsl(273, 82%, 22%)
oklchoklch(0.299 0.144 302.5)
Closest name: Fabric of Space (#341758)Relative luminance 0.0219

Tints & shades

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

Harmonies

Complementary

Open in tool →

#33660a

#0f0a66 · #660a62

#663d0a · #0a663d

Split-complementary

Open in tool →

#62660a · #0a660f

#660f0a · #33660a · #0a6266

Contrast

#3d0a67 as textRatioAAAA largeAAAFix
Aaon white
14.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #a145ed as the text (4.59:1)
  • AAA: use #bb78f2 as the text (7.08:1)
  • AA: or shift the background to #8f8f8f (4.52:1)
  • AAA: or shift the background to #b5b5b5 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d0a67 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

#3d0a67 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d0a67
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 #3d0a67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d0a67-b79cc4-c4cb62-2d1f2d-eae9f1?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