Color

#142d8a

#142d8a
hex#142d8a
rgbrgb(20, 45, 138)
hslhsl(227, 75%, 31%)
oklchoklch(0.349 0.157 266.1)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0386

Colors that go with #142d8a

Charcoal, 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 →

#8a7114

#14698a · #35148a

#8a142d · #2d8a14

Split-complementary

Open in tool →

#8a3514 · #698a14

#8a1469 · #8a7114 · #148a35

Contrast

#142d8a as textRatioAAAA largeAAAFix
Aaon white
11.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #4c6ee6 as the text (4.68:1)
  • AAA: use #7992ec as the text (7.14:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (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 #142d8a as the background.

Brands using this color

Fonts for this mood

#142d8a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #142d8a
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 #142d8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/142d8a-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