Color

#4b0481

#4b0481
hex#4b0481
rgbrgb(75, 4, 129)
hslhsl(274, 94%, 26%)
oklchoklch(0.34 0.176 301.8)
Closest name: indigo (#4b0082)Relative luminance 0.0317

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a8104

#0c0481 · #810478

#814b04 · #04814b

Split-complementary

Open in tool →

#788104 · #04810c

#810c04 · #3a8104 · #047881

Contrast

#4b0481 as textRatioAAAA largeAAAFix
Aaon white
12.86:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #a639f9 as the text (4.57:1)
  • AAA: use #c174fb as the text (7.16:1)
  • AA: or shift the background to #999999 (4.51:1)
  • AAA: or shift the background to #c2c2c2 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b0481 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

#4b0481 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b0481
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 #4b0481 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b0481-b79cc4-c2cb62-2d1f2d-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