Color

#00122d

#00122d
hex#00122d
rgbrgb(0, 18, 45)
hslhsl(216, 100%, 9%)
oklchoklch(0.185 0.061 255.1)
Closest name: Infinite Night (#071037)Relative luminance 0.0062

Colors that go with #00122d

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 →

#2e1c00

#00292e · #05002e

#2e0012 · #122e00

Split-complementary

Open in tool →

#2e0500 · #292e00

#2e0029 · #2e1c00 · #002e05

Contrast

#00122d as textRatioAAAA largeAAAFix
Aaon white
18.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #0a6cff as the text (4.6:1)
  • AAA: use #5297ff as the text (7.23:1)
  • AA: or shift the background to #7d7d7d (4.54:1)
  • AAA: or shift the background to #a1a1a1 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00122d as the background.

Brands using this color

Fonts for this mood

#00122d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00122d
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 #00122d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00122d-9ca7c4-df5f4e-201f2d-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