Color

#4b25bb

#4b25bb
hex#4b25bb
rgbrgb(75, 37, 187)
hslhsl(255, 67%, 44%)
oklchoklch(0.425 0.213 284.3)
Closest name: Blurple (#5539cc)Relative luminance 0.0641

Tints & shades

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

Harmonies

Complementary

Open in tool →

#96bb25

#254bbb · #9625bb

#bb4b25 · #25bb4b

Split-complementary

Open in tool →

#bb9625 · #4bbb25

#bb254b · #96bb25 · #25bb96

Contrast

#4b25bb as textRatioAAAA largeAAAFix
Aaon white
9.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #7e5ddf as the text (4.52:1)
  • AAA: use #a088e7 as the text (7.17:1)
  • AA: or shift the background to #b8b8b8 (4.64:1)
  • AAA: or shift the background to #e3e3e3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b25bb 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

#4b25bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b25bb
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 #4b25bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b25bb-ab9cc4-dfbd4e-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