Color

#0d2b44

#0d2b44
hex#0d2b44
rgbrgb(13, 43, 68)
hslhsl(207, 68%, 16%)
oklchoklch(0.281 0.058 247)
Closest name: Midnight Ocean (#0f2d4d)Relative luminance 0.0223

Colors that go with #0d2b44

Charcoal, Crimson and Royal Blue 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 →

#45260d

#0d4542 · #0d1045

#450d2c · #2c450d

Split-complementary

Open in tool →

#450d10 · #45420d

#420d45 · #45260d · #10450d

Contrast

#0d2b44 as textRatioAAAA largeAAAFix
Aaon white
14.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #257bc1 as the text (4.68:1)
  • AAA: use #4b9bdd as the text (7.03:1)
  • AA: or shift the background to #919191 (4.61:1)
  • AAA: or shift the background to #b5b5b5 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d2b44 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0d2b44 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d2b44
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 #0d2b44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d2b44-9cadc4-df4e53-1f212d-e9f1f1?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