Color

#4e1579

#4e1579
hex#4e1579
rgbrgb(78, 21, 121)
hslhsl(274, 70%, 28%)
oklchoklch(0.348 0.157 305.1)
Closest name: indigo (#4b0082)Relative luminance 0.0354

Colors that go with #4e1579

Crimson, Royal Blue and Olive Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#417915

#1c1579 · #791573

#794e15 · #15794e

Split-complementary

Open in tool →

#737915 · #15791c

#791c15 · #417915 · #157379

Contrast

#4e1579 as textRatioAAAA largeAAAFix
Aaon white
12.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #a04de0 as the text (4.63:1)
  • AAA: use #ba7de8 as the text (7.19:1)
  • AA: or shift the background to #9e9e9e (4.59:1)
  • AAA: or shift the background to #c4c4c4 (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 #4e1579 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

#4e1579 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e1579
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4e1579 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e1579-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