Color

#143b4d

#143b4d
hex#143b4d
rgbrgb(20, 59, 77)
hslhsl(199, 59%, 19%)
oklchoklch(0.334 0.054 231.5)
Closest name: Astral Nomad (#203943)Relative luminance 0.0381

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d2614

#144d43 · #141e4d

#4d143b · #3b4d14

Split-complementary

Open in tool →

#4d141e · #4d4314

#43144d · #4d2614 · #1e4d14

Contrast

#143b4d as textRatioAAAA largeAAAFix
Aaon white
11.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #2a7ca2 as the text (4.5:1)
  • AAA: use #3c9fcd as the text (7.03:1)
  • AA: or shift the background to #a1a1a1 (4.61:1)
  • AAA: or shift the background to #c7c7c7 (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 #143b4d 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

#143b4d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #143b4d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #143b4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/143b4d-9cb3c4-df4e66-1f232d-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