Color

#6151bd

#6151bd
hex#6151bd
rgbrgb(97, 81, 189)
hslhsl(249, 45%, 53%)
oklchoklch(0.509 0.163 285.8)
Closest name: slateblue (#6a5acd)Relative luminance 0.121

Tints & shades

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

Harmonies

Complementary

Open in tool →

#adbd51

#5177bd · #9751bd

#bd6151 · #51bd61

Split-complementary

Open in tool →

#bd9751 · #77bd51

#bd5177 · #adbd51 · #51bd97

Contrast

#6151bd as textRatioAAAA largeAAAFix
Aaon white
6.14:1passpassfail
  • AAA: use #5746b9 as the text (7.04:1)
Aaon black
3.42:1failpassfail
  • AA: use #7667c5 as the text (4.52:1)
  • AAA: use #978cd4 as the text (7.02:1)
  • AA: or shift the background to #dedede (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6151bd 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

#6151bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6151bd
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 #6151bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6151bd-a79cc4-dfae4e-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