Color

#4b2bca

#4b2bca
hex#4b2bca
rgbrgb(75, 43, 202)
hslhsl(252, 65%, 48%)
oklchoklch(0.447 0.225 281.5)
Closest name: Blurple (#5539cc)Relative luminance 0.0749

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aaca2b

#2b5bca · #9a2bca

#ca4b2b · #2bca4b

Split-complementary

Open in tool →

#ca9a2b · #5bca2b

#ca2b5b · #aaca2b · #2bca9a

Contrast

#4b2bca as textRatioAAAA largeAAAFix
Aaon white
8.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #7c63de as the text (4.7:1)
  • AAA: use #9c89e6 as the text (7.13:1)
  • AA: or shift the background to #bfbfbf (4.57:1)
  • AAA: or shift the background to #ebebeb (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b2bca 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

#4b2bca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b2bca
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 #4b2bca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b2bca-a99cc4-dfb64e-281f2d-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