Color

#4c009e

#4c009e
hex#4c009e
rgbrgb(76, 0, 158)
hslhsl(269, 100%, 31%)
oklchoklch(0.37 0.205 293.5)
Closest name: Indigo Static (#4b0183)Relative luminance 0.0401

Tints & shades

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

Harmonies

Complementary

Open in tool →

#529e00

#00039e · #9b009e

#9e4c00 · #009e4c

Split-complementary

Open in tool →

#9e9b00 · #039e00

#9e0003 · #529e00 · #009e9b

Contrast

#4c009e as textRatioAAAA largeAAAFix
Aaon white
11.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #9b3dff as the text (4.51:1)
  • AAA: use #b875ff as the text (7.03:1)
  • AA: or shift the background to #a1a1a1 (4.51:1)
  • AAA: or shift the background to #c9c9c9 (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 #4c009e 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

#4c009e reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c009e
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 #4c009e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c009e-b49cc4-cbcb62-2c1f2d-e9e9f1?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