Color

#5b4eef

#5b4eef
hex#5b4eef
rgbrgb(91, 78, 239)
hslhsl(245, 83%, 62%)
oklchoklch(0.54 0.231 278.9)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.139

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e1ef4e

#4e91ef · #ac4eef

#ef5b4e · #4eef5b

Split-complementary

Open in tool →

#efac4e · #91ef4e

#ef4e91 · #e1ef4e · #4eefac

Contrast

#5b4eef as textRatioAAAA largeAAAFix
Aaon white
5.55:1passpassfail
Aaon black
3.78:1failpassfail
  • AA: use #6c60f0 as the text (4.57:1)
  • AAA: use #938af4 as the text (7.18:1)
  • AA: or shift the background to #e8e8e8 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b4eef 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

#5b4eef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b4eef
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 #5b4eef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b4eef-a49cc4-dfa54e-261f2d-e9ecf1?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