Color

#050c8a

#050c8a
hex#050c8a
rgbrgb(5, 12, 138)
hslhsl(237, 93%, 28%)
oklchoklch(0.297 0.191 265.4)
Closest name: darkblue (#00008b)Relative luminance 0.0213

Colors that go with #050c8a

Crimson, Steel Blue and Charcoal 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 →

#8a8305

#054e8a · #41058a

#8a050c · #0c8a05

Split-complementary

Open in tool →

#8a4105 · #4e8a05

#8a054e · #8a8305 · #058a41

Contrast

#050c8a as textRatioAAAA largeAAAFix
Aaon white
14.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #5d64f9 as the text (4.66:1)
  • AAA: use #848afb as the text (7.01:1)
  • AA: or shift the background to #8f8f8f (4.55:1)
  • AAA: or shift the background to #b3b3b3 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #050c8a as the background.

Brands using this color

Fonts for this mood

#050c8a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #050c8a
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 #050c8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/050c8a-9f9cc4-df924e-251f2d-e9edf1?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