Color

#571bfe

#571bfe
hex#571bfe
rgbrgb(87, 27, 254)
hslhsl(256, 99%, 55%)
oklchoklch(0.499 0.287 280.1)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.0997

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c1fe1b

#1b50fe · #c91bfe

#fe571b · #1bfe57

Split-complementary

Open in tool →

#fec91b · #50fe1b

#fe1b50 · #c1fe1b · #1bfec9

Contrast

#571bfe as textRatioAAAA largeAAAFix
Aaon white
7.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #8052fe as the text (4.56:1)
  • AAA: use #a280fe as the text (7.06:1)
  • AA: or shift the background to #cfcfcf (4.5:1)
  • AAA: or shift the background to #ffffff (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #571bfe 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

#571bfe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #571bfe
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 #571bfe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/571bfe-ab9cc4-dfbf4e-291f2d-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