Color

#6740ba

#6740ba
hex#6740ba
rgbrgb(103, 64, 186)
hslhsl(259, 49%, 49%)
oklchoklch(0.485 0.182 293.1)
Closest name: Blurple (#5539cc)Relative luminance 0.101

Tints & shades

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

Harmonies

Complementary

Open in tool →

#93ba40

#4056ba · #a440ba

#ba6740 · #40ba67

Split-complementary

Open in tool →

#baa440 · #56ba40

#ba4056 · #93ba40 · #40baa4

Contrast

#6740ba as textRatioAAAA largeAAAFix
Aaon white
6.96:1passpassfail
  • AAA: use #643eb6 as the text (7.23:1)
Aaon black
3.02:1failpassfail
  • AA: use #8463ca as the text (4.62:1)
  • AAA: use #a289d7 as the text (7.1:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6740ba as the background.

Brands using this color

Fonts for this mood

#6740ba reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6740ba
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 #6740ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6740ba-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