Color

#613ab6

#613ab6
hex#613ab6
rgbrgb(97, 58, 182)
hslhsl(259, 52%, 47%)
oklchoklch(0.467 0.185 292.2)
Closest name: Blurple (#5539cc)Relative luminance 0.0894

Colors that go with #613ab6

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 →

#8fb63a

#3a50b6 · #9f3ab6

#b6613a · #3ab661

Split-complementary

Open in tool →

#b69f3a · #50b63a

#b63a50 · #8fb63a · #3ab69f

Contrast

#613ab6 as textRatioAAAA largeAAAFix
Aaon white
7.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #8360cd as the text (4.52:1)
  • AAA: use #a48bda as the text (7.28:1)
  • AA: or shift the background to #c9c9c9 (4.55:1)
  • AAA: or shift the background to #f7f7f7 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #613ab6 as the background.

Brands using this color

Fonts for this mood

#613ab6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #613ab6
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 #613ab6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/613ab6-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