Color

#081d91

#081d91
hex#081d91
rgbrgb(8, 29, 145)
hslhsl(231, 90%, 30%)
oklchoklch(0.327 0.186 265.5)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0297

Colors that go with #081d91

Crimson, 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 →

#917d08

#086191 · #380891

#91081c · #1c9108

Split-complementary

Open in tool →

#913808 · #619108

#910861 · #917d08 · #089138

Contrast

#081d91 as textRatioAAAA largeAAAFix
Aaon white
13.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #5169f6 as the text (4.7:1)
  • AAA: use #7c8ff8 as the text (7.14:1)
  • AA: or shift the background to #999999 (4.62:1)
  • AAA: or shift the background to #bdbdbd (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #081d91 as the background.

Brands using this color

Fonts for this mood

#081d91 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #081d91
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 #081d91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/081d91-9c9ec4-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