Color

#131e44

#131e44
hex#131e44
rgbrgb(19, 30, 68)
hslhsl(227, 56%, 17%)
oklchoklch(0.249 0.073 268.5)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0148

Colors that go with #131e44

Charcoal, Dark Olive Green and Sea Green 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 →

#443913

#133644 · #211344

#44131e · #1e4413

Split-complementary

Open in tool →

#442113 · #364413

#441336 · #443913 · #134421

Contrast

#131e44 as textRatioAAAA largeAAAFix
Aaon white
16.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #546fcf as the text (4.55:1)
  • AAA: use #8094db as the text (7.18:1)
  • AA: or shift the background to #878787 (4.51:1)
  • AAA: or shift the background to #ababab (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 #131e44 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#131e44 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #131e44
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 #131e44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/131e44-9ca0c4-df7a4e-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