Color

#6757cb

#6757cb
hex#6757cb
rgbrgb(103, 87, 203)
hslhsl(248, 53%, 57%)
oklchoklch(0.534 0.173 285.2)
Closest name: slateblue (#6a5acd)Relative luminance 0.1401

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bccb57

#5782cb · #a157cb

#cb6757 · #57cb67

Split-complementary

Open in tool →

#cba157 · #82cb57

#cb5782 · #bccb57 · #57cba1

Contrast

#6757cb as textRatioAAAA largeAAAFix
Aaon white
5.52:1passpassfail
  • AAA: use #5140c4 as the text (7.29:1)
Aaon black
3.8:1failpassfail
  • AA: use #7567d0 as the text (4.61:1)
  • AAA: use #988edc as the text (7.24:1)
  • AA: or shift the background to #e8e8e8 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6757cb 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

#6757cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6757cb
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 #6757cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6757cb-a69cc4-dfac4e-271f2d-e9ecf1?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