Color

#6749ca

#6749ca
hex#6749ca
rgbrgb(103, 73, 202)
hslhsl(254, 55%, 54%)
oklchoklch(0.511 0.19 288.5)
Closest name: slateblue (#6a5acd)Relative luminance 0.1191

Tints & shades

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

Harmonies

Complementary

Open in tool →

#acca49

#496cca · #a849ca

#ca6749 · #49ca67

Split-complementary

Open in tool →

#caa849 · #6cca49

#ca496c · #acca49 · #49caa8

Contrast

#6749ca as textRatioAAAA largeAAAFix
Aaon white
6.21:1passpassfail
  • AAA: use #5d3dc7 as the text (7.1:1)
Aaon black
3.38:1failpassfail
  • AA: use #7e65d2 as the text (4.68:1)
  • AAA: use #9f8cde as the text (7.28:1)
  • AA: or shift the background to #dedede (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6749ca as the background.

Brands using this color

Fonts for this mood

#6749ca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6749ca
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 #6749ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6749ca-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