Color

#01152d

#01152d
hex#01152d
rgbrgb(1, 21, 45)
hslhsl(213, 96%, 9%)
oklchoklch(0.195 0.056 252.5)
Closest name: Infinite Night (#071037)Relative luminance 0.0073

Colors that go with #01152d

Charcoal, Crimson 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 →

#2d1901

#012b2d · #03012d

#2d0115 · #152d01

Split-complementary

Open in tool →

#2d0301 · #2b2d01

#2d012b · #2d1901 · #012d03

Contrast

#01152d as textRatioAAAA largeAAAFix
Aaon white
18.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #056ff0 as the text (4.54:1)
  • AAA: use #4698fb as the text (7.14:1)
  • AA: or shift the background to #808080 (4.64:1)
  • AAA: or shift the background to #a1a1a1 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01152d as the background.

Brands using this color

Fonts for this mood

#01152d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01152d
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 #01152d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01152d-9ca9c4-df584e-1f202d-e9f0f1?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