Color

#4c03a6

#4c03a6
hex#4c03a6
rgbrgb(76, 3, 166)
hslhsl(267, 96%, 33%)
oklchoklch(0.38 0.211 291.3)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0435

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5ca503

#030ba5 · #9d03a5

#a54c03 · #03a54c

Split-complementary

Open in tool →

#a59d03 · #0ba503

#a5030b · #5ca503 · #03a59d

Contrast

#4c03a6 as textRatioAAAA largeAAAFix
Aaon white
11.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #9846fb as the text (4.6:1)
  • AAA: use #b478fc as the text (7.03:1)
  • AA: or shift the background to #a6a6a6 (4.61:1)
  • AAA: or shift the background to #cfcfcf (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 #4c03a6 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

#4c03a6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c03a6
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 #4c03a6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c03a6-b39cc4-dfda4e-2c1f2d-e9eaf1?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