Color

#0d2191

#0d2191
hex#0d2191
rgbrgb(13, 33, 145)
hslhsl(231, 84%, 31%)
oklchoklch(0.334 0.181 266.1)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0322

Colors that go with #0d2191

Steel Blue, Blue and Charcoal 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 →

#917e0d

#0d6391 · #3b0d91

#910d21 · #21910d

Split-complementary

Open in tool →

#913b0d · #63910d

#910d63 · #917e0d · #0d913b

Contrast

#0d2191 as textRatioAAAA largeAAAFix
Aaon white
12.78:1passpasspassPasses AAA — no fix needed.
Aaon black
1.64:1failfailfail
  • AA: use #5169f0 as the text (4.63:1)
  • AAA: use #7c8ef4 as the text (7.03:1)
  • AA: or shift the background to #9c9c9c (4.65:1)
  • AAA: or shift the background to #c2c2c2 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d2191 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

#0d2191 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d2191
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 #0d2191 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d2191-9c9ec4-df834e-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