Color

#151c32

#151c32
hex#151c32
rgbrgb(21, 28, 50)
hslhsl(226, 41%, 14%)
oklchoklch(0.232 0.044 269.4)
Closest name: Dark Knight (#151931)Relative luminance 0.0122

Colors that go with #151c32

Charcoal, Dark Olive Green and Sea Green 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 #151c32

Tints & shades

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

Harmonies

Complementary

Open in tool →

#322c15

#152b32 · #1d1532

#32151c · #1c3215

Split-complementary

Open in tool →

#321d15 · #2b3215

#32152b · #322c15 · #15321d

Contrast

#151c32 as textRatioAAAA largeAAAFix
Aaon white
16.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #5d73bb as the text (4.64:1)
  • AAA: use #8595cc as the text (7.17:1)
  • AA: or shift the background to #858585 (4.57:1)
  • AAA: or shift the background to #a8a8a8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #151c32 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#151c32 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #151c32
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 #151c32 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151c32-9ca1c4-df774e-221f2d-e9eff1?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