Color

#143a80

#143a80
hex#143a80
rgbrgb(20, 58, 128)
hslhsl(219, 73%, 29%)
oklchoklch(0.367 0.126 261.3)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0473

Colors that go with #143a80

Charcoal, Crimson and Steel 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 →

#805a14

#147080 · #241480

#80143a · #3a8014

Split-complementary

Open in tool →

#802414 · #708014

#801470 · #805a14 · #148024

Contrast

#143a80 as textRatioAAAA largeAAAFix
Aaon white
10.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #3470df as the text (4.53:1)
  • AAA: use #6995e8 as the text (7.06:1)
  • AA: or shift the background to #a8a8a8 (4.54:1)
  • AAA: or shift the background to #d1d1d1 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #143a80 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#143a80 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #143a80
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 #143a80 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/143a80-9ca5c4-df664e-211f2d-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