Color

#01103d

#01103d
hex#01103d
rgbrgb(1, 16, 61)
hslhsl(225, 97%, 12%)
oklchoklch(0.198 0.09 262.8)
Closest name: Infinite Night (#071037)Relative luminance 0.0071

Colors that go with #01103d

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 →

#3c2d01

#012d3c · #10013c

#3c0110 · #103c01

Split-complementary

Open in tool →

#3c1001 · #2d3c01

#3c012d · #3c2d01 · #013c10

Contrast

#01103d as textRatioAAAA largeAAAFix
Aaon white
18.38:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #3668fc as the text (4.54:1)
  • AAA: use #6d91fd as the text (7.12:1)
  • AA: or shift the background to #808080 (4.65:1)
  • AAA: or shift the background to #a1a1a1 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01103d as the background.

Brands using this color

Fonts for this mood

#01103d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01103d
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 #01103d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01103d-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