Color

#0d4463

#0d4463
hex#0d4463
rgbrgb(13, 68, 99)
hslhsl(202, 77%, 22%)
oklchoklch(0.369 0.076 239.4)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0512

Colors that go with #0d4463

Crimson, Royal Blue and Teal 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 →

#632d0d

#0d6358 · #0d1863

#630d44 · #44630d

Split-complementary

Open in tool →

#630d18 · #63580d

#580d63 · #632d0d · #18630d

Contrast

#0d4463 as textRatioAAAA largeAAAFix
Aaon white
10.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #177bb5 as the text (4.54:1)
  • AAA: use #269ee3 as the text (7.08:1)
  • AA: or shift the background to #ababab (4.52:1)
  • AAA: or shift the background to #d6d6d6 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d4463 as the background.

Brands using this color

Fonts for this mood

#0d4463 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d4463
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 #0d4463 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d4463-9cb1c4-df4e5f-1f222d-e9f1f0?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