Color

#571881

#571881
hex#571881
rgbrgb(87, 24, 129)
hslhsl(276, 69%, 30%)
oklchoklch(0.37 0.164 307.1)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0426

Tints & shades

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

Harmonies

Complementary

Open in tool →

#428118

#221881 · #811877

#815718 · #188157

Split-complementary

Open in tool →

#778118 · #188122

#812218 · #428118 · #187781

Contrast

#571881 as textRatioAAAA largeAAAFix
Aaon white
11.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #a34ade as the text (4.59:1)
  • AAA: use #bd7ee7 as the text (7.3:1)
  • AA: or shift the background to #a6a6a6 (4.66:1)
  • AAA: or shift the background to #cccccc (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #571881 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

#571881 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #571881
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 #571881 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/571881-b99cc4-bfcb62-2d1f2d-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