Color

#552fa7

#552fa7
hex#552fa7
rgbrgb(85, 47, 167)
hslhsl(259, 56%, 42%)
oklchoklch(0.427 0.18 291.4)
Closest name: rebeccapurple (#663399)Relative luminance 0.0675

Tints & shades

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

Harmonies

Complementary

Open in tool →

#81a72f

#2f45a7 · #912fa7

#a7552f · #2fa755

Split-complementary

Open in tool →

#a7912f · #45a72f

#a72f45 · #81a72f · #2fa791

Contrast

#552fa7 as textRatioAAAA largeAAAFix
Aaon white
8.93:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #8460d2 as the text (4.58:1)
  • AAA: use #a388dd as the text (7.12:1)
  • AA: or shift the background to #b8b8b8 (4.5:1)
  • AAA: or shift the background to #e6e6e6 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #552fa7 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

#552fa7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #552fa7
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 #552fa7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/552fa7-ad9cc4-dfc74e-2a1f2d-e9ebf1?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