Color

#0d113b

#0d113b
hex#0d113b
rgbrgb(13, 17, 59)
hslhsl(235, 64%, 14%)
oklchoklch(0.206 0.08 273)
Closest name: Infinite Night (#071037)Relative luminance 0.008

Colors that go with #0d113b

Charcoal, Dark Olive Green 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 →

#3b370d

#0d283b · #200d3b

#3b0d11 · #113b0d

Split-complementary

Open in tool →

#3b200d · #283b0d

#3b0d28 · #3b370d · #0d3b20

Contrast

#0d113b as textRatioAAAA largeAAAFix
Aaon white
18.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #606adc as the text (4.59:1)
  • AAA: use #868ee4 as the text (7:1)
  • AA: or shift the background to #808080 (4.58:1)
  • AAA: or shift the background to #a1a1a1 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d113b as the background.

Brands using this color

Fonts for this mood

#0d113b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d113b
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 #0d113b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d113b-9e9cc4-df8d4e-241f2d-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