brandsweets

Color

#556ed3

#556ed3
hex#556ed3
rgbrgb(85, 110, 211)
hslhsl(228, 59%, 58%)
oklchoklch(0.57 0.157 270.3)
Closest name: God of Rain (#4466cc)Relative luminance 0.1779
CoolModern
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
556ed3d3ba55

#d3ba55

Analogous

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556ed355add37b55d3

#55add3 · #7b55d3

Triadic

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556ed3d3556e6ed355

#d3556e · #6ed355

Split-complementary

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556ed3d37b55add355

#d37b55 · #add355

Tetradic

Open in tool →
556ed3d355add3ba5555d37b

#d355ad · #d3ba55 · #55d37b

Contrast

#556ed3 as textRatioAAAA largeAAAFix
Aaon white
4.61:1passpassfail
  • AAA: use #314dbf as the text (7.13:1)
Aaon black
4.56:1passpassfail
  • AAA: use #8194df as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #556ed3 as the background.

Brands using this color

Fonts for this mood

#556ed3 reads as cool, modern. The font library is tagged with the same vocabulary:

Modern fonts →
mcpConnect your agent — build around #556ed3
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 #556ed3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/556ed3-9c9fc4-df7c4e-231f2d-e9eff1?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