Color

#01133c

#01133c
hex#01133c
rgbrgb(1, 19, 60)
hslhsl(222, 97%, 12%)
oklchoklch(0.204 0.084 261.2)
Closest name: Infinite Night (#071037)Relative luminance 0.008

Colors that go with #01133c

Blue Violet, Charcoal and Crimson 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 →

#3c2a01

#01303c · #0d013c

#3c0113 · #133c01

Split-complementary

Open in tool →

#3c0d01 · #303c01

#3c0130 · #3c2a01 · #013c0d

Contrast

#01133c as textRatioAAAA largeAAAFix
Aaon white
18.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #2c6afc as the text (4.57:1)
  • AAA: use #6895fd as the text (7.31:1)
  • AA: or shift the background to #808080 (4.59:1)
  • AAA: or shift the background to #a1a1a1 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01133c as the background.

Brands using this color

Fonts for this mood

#01133c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01133c
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 #01133c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01133c-9ca3c4-df6e4e-211f2d-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