Color

#4c09dc

#4c09dc
hex#4c09dc
rgbrgb(76, 9, 220)
hslhsl(259, 92%, 45%)
oklchoklch(0.444 0.262 281.1)
Closest name: Busty Blue (#3300cc)Relative luminance 0.069

Tints & shades

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

Harmonies

Complementary

Open in tool →

#99dc09

#0930dc · #b609dc

#dc4c09 · #09dc4c

Split-complementary

Open in tool →

#dcb609 · #30dc09

#dc0930 · #99dc09 · #09dcb6

Contrast

#4c09dc as textRatioAAAA largeAAAFix
Aaon white
8.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #8854f8 as the text (4.67:1)
  • AAA: use #a680fa as the text (7.09:1)
  • AA: or shift the background to #bababa (4.55:1)
  • AAA: or shift the background to #e6e6e6 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c09dc 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

#4c09dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c09dc
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 #4c09dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c09dc-ad9cc4-dfc74e-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