Color

#4b2ca0

#4b2ca0
hex#4b2ca0
rgbrgb(75, 44, 160)
hslhsl(256, 57%, 40%)
oklchoklch(0.407 0.175 288.3)
Closest name: Bluebell (#333399)Relative luminance 0.0584

Tints & shades

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

Harmonies

Complementary

Open in tool →

#81a02c

#2c47a0 · #852ca0

#a04b2c · #2ca04b

Split-complementary

Open in tool →

#a0852c · #47a02c

#a02c47 · #81a02c · #2ca085

Contrast

#4b2ca0 as textRatioAAAA largeAAAFix
Aaon white
9.69:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #8163d4 as the text (4.67:1)
  • AAA: use #a18bdf as the text (7.27:1)
  • AA: or shift the background to #b3b3b3 (4.62:1)
  • AAA: or shift the background to #dedede (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b2ca0 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

#4b2ca0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b2ca0
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 #4b2ca0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b2ca0-ab9cc4-dfbf4e-291f2d-e9ebf1?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