Color

#0d2c72

#0d2c72
hex#0d2c72
rgbrgb(13, 44, 114)
hslhsl(222, 80%, 25%)
oklchoklch(0.321 0.126 263.1)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.031

Colors that go with #0d2c72

Charcoal, Steel Blue and 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 →

#73540d

#0d5e73 · #210d73

#730d2b · #2b730d

Split-complementary

Open in tool →

#73210d · #5e730d

#730d5e · #73540d · #0d7321

Contrast

#0d2c72 as textRatioAAAA largeAAAFix
Aaon white
12.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #3a6ee9 as the text (4.59:1)
  • AAA: use #6c93ef as the text (7.06:1)
  • AA: or shift the background to #999999 (4.55:1)
  • AAA: or shift the background to #bfbfbf (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d2c72 as the background.

Brands using this color

Fonts for this mood

#0d2c72 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d2c72
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 #0d2c72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d2c72-9ca3c4-df6e4e-211f2d-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