Color

#4c0080

#4c0080
hex#4c0080
rgbrgb(76, 0, 128)
hslhsl(276, 100%, 25%)
oklchoklch(0.338 0.178 303)
Closest name: indigo (#4b0082)Relative luminance 0.031

Tints & shades

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

Harmonies

Complementary

Open in tool →

#338000

#0d0080 · #800073

#804d00 · #00804d

Split-complementary

Open in tool →

#738000 · #00800d

#800d00 · #338000 · #007380

Contrast

#4c0080 as textRatioAAAA largeAAAFix
Aaon white
12.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #ab2eff as the text (4.57:1)
  • AAA: use #c670ff as the text (7.16:1)
  • AA: or shift the background to #999999 (4.55:1)
  • AAA: or shift the background to #bfbfbf (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c0080 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

#4c0080 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c0080
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 #4c0080 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c0080-b99cc4-bfcb62-2d1f2d-eae9f1?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