Color

#571aff

#571aff
hex#571aff
rgbrgb(87, 26, 255)
hslhsl(256, 100%, 55%)
oklchoklch(0.5 0.289 280.1)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.0999

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c2ff1a

#1a4fff · #c91aff

#ff571a · #1aff57

Split-complementary

Open in tool →

#ffc91a · #4fff1a

#ff1a4f · #c2ff1a · #1affc9

Contrast

#571aff as textRatioAAAA largeAAAFix
Aaon white
7.01:1passpasspassPasses AAA — no fix needed.
Aaon black
3:1failfailfail
  • AA: use #8052ff as the text (4.57:1)
  • AAA: use #a280ff as the text (7.07:1)
  • AA: or shift the background to #d1d1d1 (4.59:1)
  • AAA: or shift the background to #ffffff (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 #571aff 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

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

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

tool url/palettes/new/571aff-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