Color

#0e3771

#0e3771
hex#0e3771
rgbrgb(14, 55, 113)
hslhsl(215, 78%, 25%)
oklchoklch(0.346 0.11 258.2)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0402

Colors that go with #0e3771

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 →

#71480e

#0e6971 · #160e71

#710e37 · #37710e

Split-complementary

Open in tool →

#71160e · #69710e

#710e69 · #71480e · #0e7116

Contrast

#0e3771 as textRatioAAAA largeAAAFix
Aaon white
11.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #2172e4 as the text (4.59:1)
  • AAA: use #5c97eb as the text (7.08:1)
  • AA: or shift the background to #a1a1a1 (4.51:1)
  • AAA: or shift the background to #c9c9c9 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0e3771 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

#0e3771 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0e3771
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 #0e3771 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0e3771-9ca8c4-df5d4e-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