Color

#575bdb

#575bdb
hex#575bdb
rgbrgb(87, 91, 219)
hslhsl(238, 65%, 60%)
oklchoklch(0.541 0.192 276.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1462

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dbd757

#579ddb · #9557db

#db575b · #5bdb57

Split-complementary

Open in tool →

#db9557 · #9ddb57

#db579d · #dbd757 · #57db95

Contrast

#575bdb as textRatioAAAA largeAAAFix
Aaon white
5.35:1passpassfail
  • AAA: use #3d43d6 as the text (7.07:1)
Aaon black
3.92:1failpassfail
  • AA: use #6367de as the text (4.53:1)
  • AAA: use #8d90e7 as the text (7.28:1)
  • AA: or shift the background to #ededed (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #575bdb 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

#575bdb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #575bdb
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 #575bdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/575bdb-9f9cc4-df944e-251f2d-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