Color

#052143

#052143
hex#052143
rgbrgb(5, 33, 67)
hslhsl(213, 86%, 14%)
oklchoklch(0.249 0.072 255.4)
Closest name: Midnight Mirage (#001f3f)Relative luminance 0.0153

Colors that go with #052143

Charcoal, Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#422705

#053f42 · #080542

#420521 · #214205

Split-complementary

Open in tool →

#420805 · #3f4205

#42053f · #422705 · #054208

Contrast

#052143 as textRatioAAAA largeAAAFix
Aaon white
16.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #1172e8 as the text (4.6:1)
  • AAA: use #5099f2 as the text (7.18:1)
  • AA: or shift the background to #8a8a8a (4.66:1)
  • AAA: or shift the background to #ababab (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 #052143 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#052143 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #052143
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 #052143 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/052143-9ca9c4-df584e-1f202d-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