Color

#613a88

#613a88
hex#613a88
rgbrgb(97, 58, 136)
hslhsl(270, 40%, 38%)
oklchoklch(0.433 0.128 304.7)
Closest name: Lords of the Night (#664488)Relative luminance 0.0735

Tints & shades

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

Harmonies

Complementary

Open in tool →

#61883a

#3a3a88 · #883a88

#88613a · #3a8861

Split-complementary

Open in tool →

#88883a · #3a883a

#883a3a · #61883a · #3a8888

Contrast

#613a88 as textRatioAAAA largeAAAFix
Aaon white
8.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #8f62bc as the text (4.64:1)
  • AAA: use #ab89cd as the text (7.19:1)
  • AA: or shift the background to #bdbdbd (4.53:1)
  • AAA: or shift the background to #ebebeb (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 #613a88 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

#613a88 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #613a88
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 #613a88 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/613a88-b59cc4-c9cb62-2c1f2d-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