Color

#4b007a

#4b007a
hex#4b007a
rgbrgb(75, 0, 122)
hslhsl(277, 100%, 24%)
oklchoklch(0.331 0.172 304.7)
Closest name: indigo (#4b0082)Relative luminance 0.029

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2f7a00

#0e007a · #7a006c

#7a4b00 · #007a4b

Split-complementary

Open in tool →

#6c7a00 · #007a0e

#7a0e00 · #2f7a00 · #006c7a

Contrast

#4b007a as textRatioAAAA largeAAAFix
Aaon white
13.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #ad29ff as the text (4.54:1)
  • AAA: use #c870ff as the text (7.22:1)
  • AA: or shift the background to #999999 (4.66:1)
  • AAA: or shift the background to #bdbdbd (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 #4b007a 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

#4b007a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b007a
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 #4b007a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b007a-b99cc4-bdcb62-2d1f2c-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