Color

#5b2fa7

#5b2fa7
hex#5b2fa7
rgbrgb(91, 47, 167)
hslhsl(262, 56%, 42%)
oklchoklch(0.434 0.18 294.4)
Closest name: rebeccapurple (#663399)Relative luminance 0.0705

Colors that go with #5b2fa7

Charcoal, Royal Blue and Sea 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 →

#7ba72f

#2f3fa7 · #972fa7

#a75b2f · #2fa75b

Split-complementary

Open in tool →

#a7972f · #3fa72f

#a72f3f · #7ba72f · #2fa797

Contrast

#5b2fa7 as textRatioAAAA largeAAAFix
Aaon white
8.72:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #8a60d2 as the text (4.68:1)
  • AAA: use #a788dd as the text (7.21:1)
  • AA: or shift the background to #bdbdbd (4.64:1)
  • AAA: or shift the background to #e8e8e8 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b2fa7 as the background.

Brands using this color

Fonts for this mood

#5b2fa7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b2fa7
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 #5b2fa7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b2fa7-af9cc4-dfce4e-2a1f2d-e9eaf1?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