Color

#4e05e1

#4e05e1
hex#4e05e1
rgbrgb(78, 5, 225)
hslhsl(260, 96%, 45%)
oklchoklch(0.45 0.267 281.3)
Closest name: Overdue Blue (#4400ff)Relative luminance 0.0716

Tints & shades

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

Harmonies

Complementary

Open in tool →

#97e105

#0529e1 · #bc05e1

#e14e05 · #05e14e

Split-complementary

Open in tool →

#e1bc05 · #29e105

#e10529 · #97e105 · #05e1bc

Contrast

#4e05e1 as textRatioAAAA largeAAAFix
Aaon white
8.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #8950fb as the text (4.6:1)
  • AAA: use #ab82fc as the text (7.33:1)
  • AA: or shift the background to #bdbdbd (4.59:1)
  • AAA: or shift the background to #e8e8e8 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e05e1 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

#4e05e1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e05e1
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 #4e05e1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e05e1-ae9cc4-dfc94e-2a1f2d-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