Color

#3a1575

#3a1575
hex#3a1575
rgbrgb(58, 21, 117)
hslhsl(263, 70%, 27%)
oklchoklch(0.319 0.149 293.4)
Closest name: Explorer of the Galaxies (#3a1f76)Relative luminance 0.0272

Tints & shades

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

Harmonies

Complementary

Open in tool →

#507515

#152075 · #6a1575

#753a15 · #15753a

Split-complementary

Open in tool →

#756a15 · #207515

#751520 · #507515 · #15756a

Contrast

#3a1575 as textRatioAAAA largeAAAFix
Aaon white
13.6:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #8b56e1 as the text (4.52:1)
  • AAA: use #a981e9 as the text (7:1)
  • AA: or shift the background to #969696 (4.6:1)
  • AAA: or shift the background to #bababa (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a1575 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

#3a1575 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a1575
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 #3a1575 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a1575-b09cc4-dfd04e-2b1f2d-e9eaf1?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