Color

#613fcf

#613fcf
hex#613fcf
rgbrgb(97, 63, 207)
hslhsl(254, 60%, 53%)
oklchoklch(0.495 0.209 286.9)
Closest name: Blurple (#5539cc)Relative luminance 0.106

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aecf3f

#3f66cf · #a93fcf

#cf613f · #3fcf61

Split-complementary

Open in tool →

#cfa93f · #66cf3f

#cf3f66 · #aecf3f · #3fcfa9

Contrast

#613fcf as textRatioAAAA largeAAAFix
Aaon white
6.73:1passpassfail
  • AAA: use #5d3bce as the text (7.04:1)
Aaon black
3.12:1failpassfail
  • AA: use #7c60d7 as the text (4.51:1)
  • AAA: use #9d89e1 as the text (7.1:1)
  • AA: or shift the background to #d4d4d4 (4.54:1)

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

#613fcf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/613fcf-aa9cc4-dfbb4e-291f2d-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