Color

#5a57ea

#5a57ea
hex#5a57ea
rgbrgb(90, 87, 234)
hslhsl(241, 78%, 63%)
oklchoklch(0.549 0.215 277.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1493

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e8ea57

#579eea · #a357ea

#ea5a57 · #57ea5a

Split-complementary

Open in tool →

#eaa357 · #9eea57

#ea579e · #e8ea57 · #57eaa3

Contrast

#5a57ea as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #3a37e6 as the text (7.32:1)
Aaon black
3.99:1failpassfail
  • AA: use #6765ec as the text (4.65:1)
  • AAA: use #8f8ef1 as the text (7.31:1)
  • AA: or shift the background to #f0f0f0 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a57ea 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

#5a57ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a57ea
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 #5a57ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a57ea-a19cc4-df9b4e-261f2d-e9edf1?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