Color

#556ae2

#556ae2
hex#556ae2
rgbrgb(85, 106, 226)
hslhsl(231, 71%, 61%)
oklchoklch(0.573 0.183 271.9)
Closest name: royalblue (#4169e1)Relative luminance 0.1773

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e2cd55

#55b1e2 · #8655e2

#e2556a · #6ae255

Split-complementary

Open in tool →

#e28655 · #b1e255

#e255b1 · #e2cd55 · #55e286

Contrast

#556ae2 as textRatioAAAA largeAAAFix
Aaon white
4.62:1passpassfail
  • AAA: use #2944db as the text (7.13:1)
Aaon black
4.55:1passpassfail
  • AAA: use #8190ea as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #556ae2 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

#556ae2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #556ae2
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 #556ae2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/556ae2-9c9ec4-df834e-231f2d-e9eef1?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