Color

#391471

#391471
hex#391471
rgbrgb(57, 20, 113)
hslhsl(264, 70%, 26%)
oklchoklch(0.313 0.146 294.3)
Closest name: Explorer of the Galaxies (#3a1f76)Relative luminance 0.0256

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4c7114

#141d71 · #671471

#713914 · #147139

Split-complementary

Open in tool →

#716714 · #1d7114

#71141d · #4c7114 · #147167

Contrast

#391471 as textRatioAAAA largeAAAFix
Aaon white
13.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #8e56e1 as the text (4.57:1)
  • AAA: use #ab81e9 as the text (7.05:1)
  • AA: or shift the background to #949494 (4.58:1)
  • AAA: or shift the background to #bababa (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #391471 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

#391471 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #391471
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 #391471 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/391471-b19cc4-dfd34e-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