Color

#151e33

#151e33
hex#151e33
rgbrgb(21, 30, 51)
hslhsl(222, 42%, 14%)
oklchoklch(0.238 0.043 265.7)
Closest name: Nightwalker (#161d3b)Relative luminance 0.0133

Colors that go with #151e33

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 #151e33

Tints & shades

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

Harmonies

Complementary

Open in tool →

#332a15

#152d33 · #1b1533

#33151e · #1e3315

Split-complementary

Open in tool →

#331b15 · #2d3315

#33152d · #332a15 · #15331b

Contrast

#151e33 as textRatioAAAA largeAAAFix
Aaon white
16.6:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #5573b9 as the text (4.54:1)
  • AAA: use #8097cb as the text (7.21:1)
  • AA: or shift the background to #878787 (4.62:1)
  • AAA: or shift the background to #ababab (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #151e33 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#151e33 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #151e33
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 #151e33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151e33-9ca3c4-df6e4e-211f2d-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