Color

#5755ce

#5755ce
hex#5755ce
rgbrgb(87, 85, 206)
hslhsl(241, 55%, 57%)
oklchoklch(0.521 0.182 278.7)
Closest name: slateblue (#6a5acd)Relative luminance 0.1298

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ccce55

#558fce · #9355ce

#ce5755 · #55ce57

Split-complementary

Open in tool →

#ce9355 · #8fce55

#ce558f · #ccce55 · #55ce93

Contrast

#5755ce as textRatioAAAA largeAAAFix
Aaon white
5.84:1passpassfail
  • AAA: use #4745c9 as the text (7.09:1)
Aaon black
3.6:1failpassfail
  • AA: use #6b69d3 as the text (4.59:1)
  • AAA: use #9290df as the text (7.28:1)
  • AA: or shift the background to #e3e3e3 (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 #5755ce 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

#5755ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5755ce
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 #5755ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5755ce-a19cc4-df9b4e-261f2d-e9edf1?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