Color

#613a8d

#613a8d
hex#613a8d
rgbrgb(97, 58, 141)
hslhsl(268, 42%, 39%)
oklchoklch(0.436 0.134 302.9)
Closest name: rebeccapurple (#663399)Relative luminance 0.0749

Tints & shades

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

Harmonies

Complementary

Open in tool →

#668d3a

#3a3c8d · #8a3a8d

#8d613a · #3a8d61

Split-complementary

Open in tool →

#8d8a3a · #3c8d3a

#8d3a3c · #668d3a · #3a8d8a

Contrast

#613a8d as textRatioAAAA largeAAAFix
Aaon white
8.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #8c60be as the text (4.53:1)
  • AAA: use #a888ce as the text (7.08:1)
  • AA: or shift the background to #bfbfbf (4.57:1)
  • AAA: or shift the background to #ebebeb (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 #613a8d 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

#613a8d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #613a8d
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 #613a8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/613a8d-b39cc4-dfdc4e-2c1f2d-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