Color

#142b39

#142b39
hex#142b39
rgbrgb(20, 43, 57)
hslhsl(203, 48%, 15%)
oklchoklch(0.277 0.039 237.2)
Closest name: Black Box (#0f282f)Relative luminance 0.0217

Colors that go with #142b39

Charcoal, Royal Blue 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.

Real palettes that use #142b39

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#392214

#143934 · #141839

#39142b · #2b3914

Split-complementary

Open in tool →

#391418 · #393414

#341439 · #392214 · #183914

Contrast

#142b39 as textRatioAAAA largeAAAFix
Aaon white
14.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #3a7da6 as the text (4.66:1)
  • AAA: use #5d9ec6 as the text (7.17:1)
  • AA: or shift the background to #8f8f8f (4.53:1)
  • AAA: or shift the background to #b5b5b5 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #142b39 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#142b39 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #142b39
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 #142b39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/142b39-9cb0c4-df4e5d-1f222d-e9f1f0?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