Color

#4e03fc

#4e03fc
hex#4e03fc
rgbrgb(78, 3, 252)
hslhsl(258, 98%, 50%)
oklchoklch(0.481 0.294 278.1)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0871

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b1fc03

#0335fc · #ca03fc

#fc4e03 · #03fc4e

Split-complementary

Open in tool →

#fcca03 · #35fc03

#fc0335 · #b1fc03 · #03fcca

Contrast

#4e03fc as textRatioAAAA largeAAAFix
Aaon white
7.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.74:1failfailfail
  • AA: use #8653fd as the text (4.67:1)
  • AAA: use #a681fe as the text (7.19:1)
  • AA: or shift the background to #c7c7c7 (4.53:1)
  • AAA: or shift the background to #f5f5f5 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e03fc 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

#4e03fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e03fc
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 #4e03fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e03fc-ad9cc4-dfc44e-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