Color

#6436bf

#6436bf
hex#6436bf
rgbrgb(100, 54, 191)
hslhsl(260, 56%, 48%)
oklchoklch(0.473 0.2 292.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0911

Tints & shades

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

Harmonies

Complementary

Open in tool →

#91bf36

#364dbf · #a836bf

#bf6436 · #36bf64

Split-complementary

Open in tool →

#bfa836 · #4dbf36

#bf364d · #91bf36 · #36bfa8

Contrast

#6436bf as textRatioAAAA largeAAAFix
Aaon white
7.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #8660d2 as the text (4.62:1)
  • AAA: use #a488dd as the text (7.14:1)
  • AA: or shift the background to #cccccc (4.63:1)
  • AAA: or shift the background to #fafafa (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 #6436bf as the background.

Brands using this color

Fonts for this mood

#6436bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6436bf
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 #6436bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6436bf-ae9cc4-dfc94e-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