Color

#53319b

#53319b
hex#53319b
rgbrgb(83, 49, 155)
hslhsl(259, 52%, 40%)
oklchoklch(0.418 0.163 292.7)
Closest name: rebeccapurple (#663399)Relative luminance 0.064

Colors that go with #53319b

Royal Blue, Charcoal and Crimson 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 →

#799b31

#31449b · #88319b

#9b5331 · #319b53

Split-complementary

Open in tool →

#9b8831 · #449b31

#9b3144 · #799b31 · #319b88

Contrast

#53319b as textRatioAAAA largeAAAFix
Aaon white
9.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #8360cd as the text (4.52:1)
  • AAA: use #a48bda as the text (7.28:1)
  • AA: or shift the background to #b8b8b8 (4.64:1)
  • AAA: or shift the background to #e3e3e3 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #53319b 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

#53319b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #53319b
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 #53319b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/53319b-ad9cc4-dfc74e-2a1f2d-e9ebf1?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