Color

#055271

#055271
hex#055271
rgbrgb(5, 82, 113)
hslhsl(197, 92%, 23%)
oklchoklch(0.413 0.083 233.2)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0726

Colors that go with #055271

Crimson, Royal Blue and Cadet Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#712305

#057159 · #051c71

#710552 · #527105

Split-complementary

Open in tool →

#71051c · #715905

#590571 · #712305 · #1c7105

Contrast

#055271 as textRatioAAAA largeAAAFix
Aaon white
8.57:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #077dab as the text (4.53:1)
  • AAA: use #09a0dc as the text (7.07:1)
  • AA: or shift the background to #bdbdbd (4.56:1)
  • AAA: or shift the background to #ebebeb (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #055271 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

#055271 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #055271
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #055271 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/055271-9cb4c4-df4e6b-1f232d-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