Color

#152f42

#152f42
hex#152f42
rgbrgb(21, 47, 66)
hslhsl(205, 52%, 17%)
oklchoklch(0.294 0.047 242.4)
Closest name: Nordic Noir (#003344)Relative luminance 0.0259

Colors that go with #152f42

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 #152f42

Tints & shades

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

Harmonies

Complementary

Open in tool →

#422815

#15423e · #151942

#42152f · #2f4215

Split-complementary

Open in tool →

#421519 · #423e15

#3e1542 · #422815 · #194215

Contrast

#152f42 as textRatioAAAA largeAAAFix
Aaon white
13.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.52:1failfailfail
  • AA: use #367aab as the text (4.53:1)
  • AAA: use #5c9dcc as the text (7.15:1)
  • AA: or shift the background to #949494 (4.56:1)
  • AAA: or shift the background to #bababa (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 #152f42 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#152f42 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152f42
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 #152f42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152f42-9cafc4-df4e58-1f212d-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