Color

#5552ef

#5552ef
hex#5552ef
rgbrgb(85, 82, 239)
hslhsl(241, 83%, 63%)
oklchoklch(0.542 0.228 276.4)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.142

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecef52

#529eef · #a352ef

#ef5552 · #52ef55

Split-complementary

Open in tool →

#efa352 · #9eef52

#ef529e · #ecef52 · #52efa3

Contrast

#5552ef as textRatioAAAA largeAAAFix
Aaon white
5.47:1passpassfail
  • AAA: use #3936ec as the text (7.21:1)
Aaon black
3.84:1failpassfail
  • AA: use #6765f1 as the text (4.71:1)
  • AAA: use #8c8af4 as the text (7.06:1)
  • AA: or shift the background to #ebebeb (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5552ef 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

#5552ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5552ef
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 #5552ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5552ef-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