Color

#05133e

#05133e
hex#05133e
rgbrgb(5, 19, 62)
hslhsl(225, 85%, 13%)
oklchoklch(0.209 0.085 264.9)
Closest name: Infinite Night (#071037)Relative luminance 0.0085

Colors that go with #05133e

Charcoal, Dark Olive Green and Rust 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 →

#3d2f05

#052f3d · #13053d

#3d0513 · #133d05

Split-complementary

Open in tool →

#3d1305 · #2f3d05

#3d052f · #3d2f05 · #053d13

Contrast

#05133e as textRatioAAAA largeAAAFix
Aaon white
17.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #3e6aef as the text (4.51:1)
  • AAA: use #7192f4 as the text (7.12:1)
  • AA: or shift the background to #808080 (4.55:1)
  • AAA: or shift the background to #a3a3a3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05133e as the background.

Brands using this color

Fonts for this mood

#05133e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05133e
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 #05133e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05133e-9ca1c4-df754e-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