Color

#052180

#052180
hex#052180
rgbrgb(5, 33, 128)
hslhsl(226, 92%, 26%)
oklchoklch(0.312 0.161 264.4)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0268

Colors that go with #052180

Crimson, Steel Blue and 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 →

#7f6305

#055f7f · #26057f

#7f0522 · #227f05

Split-complementary

Open in tool →

#7f2605 · #5f7f05

#7f055f · #7f6305 · #057f26

Contrast

#052180 as textRatioAAAA largeAAAFix
Aaon white
13.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #406bf7 as the text (4.66:1)
  • AAA: use #7191f9 as the text (7.12:1)
  • AA: or shift the background to #949494 (4.51:1)
  • AAA: or shift the background to #bababa (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #052180 as the background.

Brands using this color

Fonts for this mood

#052180 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #052180
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 #052180 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/052180-9ca1c4-df774e-221f2d-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