Color

#055166

#055166
hex#055166
rgbrgb(5, 81, 102)
hslhsl(193, 91%, 21%)
oklchoklch(0.404 0.074 223.5)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0688

Tints & shades

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

Harmonies

Complementary

Open in tool →

#661a05

#05664b · #052066

#660551 · #516605

Split-complementary

Open in tool →

#660520 · #664b05

#4b0566 · #661a05 · #206605

Contrast

#055166 as textRatioAAAA largeAAAFix
Aaon white
8.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #0880a1 as the text (4.61:1)
  • AAA: use #0aa2cd as the text (7.06:1)
  • AA: or shift the background to #bababa (4.56:1)
  • AAA: or shift the background to #e6e6e6 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #055166 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

#055166 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #055166
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 #055166 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/055166-a2b5be-df4e75-1f242d-e9f1ef?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