Color

#031344

#031344
hex#031344
rgbrgb(3, 19, 68)
hslhsl(225, 92%, 14%)
oklchoklch(0.214 0.095 264)
Closest name: Deadly Depths (#111144)Relative luminance 0.009

Colors that go with #031344

Blue Violet, Charcoal and Rust 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 →

#453403

#033445 · #130345

#450313 · #134503

Split-complementary

Open in tool →

#451303 · #344503

#450334 · #453403 · #034513

Contrast

#031344 as textRatioAAAA largeAAAFix
Aaon white
17.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #3b6af7 as the text (4.59:1)
  • AAA: use #7193f9 as the text (7.24:1)
  • AA: or shift the background to #808080 (4.5:1)
  • AAA: or shift the background to #a3a3a3 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #031344 as the background.

Brands using this color

Fonts for this mood

#031344 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031344
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 #031344 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031344-9ca1c4-df754e-221f2d-e9eff1?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