Color

#050d39

#050d39
hex#050d39
rgbrgb(5, 13, 57)
hslhsl(231, 84%, 12%)
oklchoklch(0.19 0.085 267.7)
Closest name: Infinite Night (#071037)Relative luminance 0.0062

Colors that go with #050d39

Charcoal, Rust and Sea Green 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 →

#383105

#052638 · #170538

#38050d · #0d3805

Split-complementary

Open in tool →

#381705 · #263805

#380526 · #383105 · #053817

Contrast

#050d39 as textRatioAAAA largeAAAFix
Aaon white
18.7:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #5169f0 as the text (4.63:1)
  • AAA: use #7c8ef4 as the text (7.03:1)
  • AA: or shift the background to #7d7d7d (4.54:1)
  • AAA: or shift the background to #a1a1a1 (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #050d39 as the background.

Brands using this color

Fonts for this mood

#050d39 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #050d39
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 #050d39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/050d39-9c9ec4-df834e-231f2d-e9eef1?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