Color

#0d2aab

#0d2aab
hex#0d2aab
rgbrgb(13, 42, 171)
hslhsl(229, 86%, 36%)
oklchoklch(0.378 0.204 265.3)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0468

Colors that go with #0d2aab

Charcoal, Blue and Cornflower 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 →

#ab8e0d

#0d79ab · #3f0dab

#ab0d2a · #2aab0d

Split-complementary

Open in tool →

#ab3f0d · #79ab0d

#ab0d79 · #ab8e0d · #0dab3f

Contrast

#0d2aab as textRatioAAAA largeAAAFix
Aaon white
10.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #4b69f1 as the text (4.59:1)
  • AAA: use #7a91f5 as the text (7.2:1)
  • AA: or shift the background to #a8a8a8 (4.56:1)
  • AAA: or shift the background to #d1d1d1 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d2aab as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0d2aab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d2aab
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 #0d2aab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d2aab-9c9fc4-df7e4e-231f2d-e9eef1?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