Color

#5554bb

#5554bb
hex#5554bb
rgbrgb(85, 84, 187)
hslhsl(241, 43%, 53%)
oklchoklch(0.503 0.158 279.5)
Closest name: slateblue (#6a5acd)Relative luminance 0.1186

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b9bb54

#5485bb · #8954bb

#bb5554 · #54bb55

Split-complementary

Open in tool →

#bb8954 · #85bb54

#bb5485 · #b9bb54 · #54bb89

Contrast

#5554bb as textRatioAAAA largeAAAFix
Aaon white
6.23:1passpassfail
  • AAA: use #4b49b6 as the text (7.17:1)
Aaon black
3.37:1failpassfail
  • AA: use #6f6dc5 as the text (4.67:1)
  • AAA: use #9392d3 as the text (7.29:1)
  • AA: or shift the background to #dedede (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5554bb 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

#5554bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5554bb
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 #5554bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5554bb-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