Color

#5b59e8

#5b59e8
hex#5b59e8
rgbrgb(91, 89, 232)
hslhsl(241, 76%, 63%)
oklchoklch(0.551 0.21 277.6)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.152

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e6e859

#599ee8 · #a359e8

#e85b59 · #59e85b

Split-complementary

Open in tool →

#e8a359 · #9ee859

#e8599e · #e6e859 · #59e8a3

Contrast

#5b59e8 as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #3c3ae4 as the text (7.2:1)
Aaon black
4.04:1failpassfail
  • AA: use #6966ea as the text (4.69:1)
  • AAA: use #908ff0 as the text (7.37:1)
  • AA: or shift the background to #f0f0f0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b59e8 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

#5b59e8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b59e8
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 #5b59e8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b59e8-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