Color

#5b0b4e

#5b0b4e
hex#5b0b4e
rgbrgb(91, 11, 78)
hslhsl(310, 78%, 20%)
oklchoklch(0.329 0.133 336.2)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0301

Colors that go with #5b0b4e

Crimson, Sea Green and Cream 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 →

#0b5b18

#400b5b · #5b0b26

#4e5b0b · #0b4e5b

Split-complementary

Open in tool →

#265b0b · #0b5b40

#5b400b · #0b5b18 · #0b265b

Contrast

#5b0b4e as textRatioAAAA largeAAAFix
Aaon white
13.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.6:1failfailfail
  • AA: use #d11ab2 as the text (4.5:1)
  • AAA: use #eb5cd3 as the text (7:1)
  • AA: or shift the background to #999999 (4.6:1)
  • AAA: or shift the background to #bfbfbf (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b0b4e 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

#5b0b4e reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b0b4e
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 #5b0b4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b0b4e-c19fb7-83cb62-2d1f25-efe9f1?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