Color

#0d449b

#0d449b
hex#0d449b
rgbrgb(13, 68, 155)
hslhsl(217, 85%, 33%)
oklchoklch(0.41 0.153 260.1)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0659

Colors that go with #0d449b

Charcoal, Crimson and Steel 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 →

#9c650d

#0d8b9c · #1d0d9c

#9c0d43 · #439c0d

Split-complementary

Open in tool →

#9c1d0d · #8b9c0d

#9c0d8b · #9c650d · #0d9c1d

Contrast

#0d449b as textRatioAAAA largeAAAFix
Aaon white
9.06:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #216fed as the text (4.56:1)
  • AAA: use #5f97f2 as the text (7.2:1)
  • AA: or shift the background to #b8b8b8 (4.57:1)
  • AAA: or shift the background to #e3e3e3 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d449b as the background.

Brands using this color

Fonts for this mood

#0d449b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d449b
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 #0d449b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d449b-9ca7c4-df624e-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