Color

#0a323e

#0a323e
hex#0a323e
rgbrgb(10, 50, 62)
hslhsl(194, 72%, 14%)
oklchoklch(0.296 0.048 222.2)
Closest name: Nordic Noir (#003344)Relative luminance 0.0269

Colors that go with #0a323e

Crimson, Denim 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.

Real palettes that use #0a323e

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#3d160a

#0a3d30 · #0a183d

#3d0a31 · #313d0a

Split-complementary

Open in tool →

#3d0a18 · #3d300a

#300a3d · #3d160a · #183d0a

Contrast

#0a323e as textRatioAAAA largeAAAFix
Aaon white
13.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #1a7f9e as the text (4.57:1)
  • AAA: use #21a2ca as the text (7.09:1)
  • AA: or shift the background to #969696 (4.61:1)
  • AAA: or shift the background to #bababa (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a323e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0a323e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a323e
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 #0a323e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a323e-9cb6c4-df4e72-1f242d-e9f1ef?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