Color

#7551b8

#7551b8
hex#7551b8
rgbrgb(117, 81, 184)
hslhsl(261, 42%, 52%)
oklchoklch(0.524 0.157 296.8)
Closest name: slateblue (#6a5acd)Relative luminance 0.1313

Tints & shades

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

Harmonies

Complementary

Open in tool →

#94b851

#5161b8 · #a951b8

#b87551 · #51b875

Split-complementary

Open in tool →

#b8a951 · #61b851

#b85161 · #94b851 · #51b8a9

Contrast

#7551b8 as textRatioAAAA largeAAAFix
Aaon white
5.79:1passpassfail
  • AAA: use #6744a7 as the text (7.09:1)
Aaon black
3.63:1failpassfail
  • AA: use #8463bf as the text (4.52:1)
  • AAA: use #a38bd0 as the text (7.16:1)
  • AA: or shift the background to #e3e3e3 (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 #7551b8 as the background.

Brands using this color

Fonts for this mood

#7551b8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #7551b8
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 #7551b8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7551b8-af9cc4-dfcb4e-2a1f2d-e9eaf1?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