Color

#143243

#143243
hex#143243
rgbrgb(20, 50, 67)
hslhsl(202, 54%, 17%)
oklchoklch(0.303 0.047 236.1)
Closest name: Nordic Noir (#003344)Relative luminance 0.0284

Colors that go with #143243

Royal Blue, Rust and Sienna 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 #143243

Tints & shades

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

Harmonies

Complementary

Open in tool →

#432514

#14433d · #141a43

#431432 · #324314

Split-complementary

Open in tool →

#43141a · #433d14

#3d1443 · #432514 · #1a4314

Contrast

#143243 as textRatioAAAA largeAAAFix
Aaon white
13.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.57:1failfailfail
  • AA: use #317ba5 as the text (4.51:1)
  • AAA: use #529fcb as the text (7.18:1)
  • AA: or shift the background to #969696 (4.53:1)
  • AAA: or shift the background to #bdbdbd (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #143243 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#143243 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #143243
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 #143243 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/143243-9cb1c4-df4e5f-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