Color

#150e34

#150e34
hex#150e34
rgbrgb(21, 14, 52)
hslhsl(251, 58%, 13%)
oklchoklch(0.2 0.071 286.5)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.0072

Colors that go with #150e34

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d340e

#0e1a34 · #280e34

#34150e · #0e3415

Split-complementary

Open in tool →

#34280e · #1a340e

#340e1a · #2d340e · #0e3428

Contrast

#150e34 as textRatioAAAA largeAAAFix
Aaon white
18.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #7b66d6 as the text (4.71:1)
  • AAA: use #9a8ae0 as the text (7.09:1)
  • AA: or shift the background to #808080 (4.65:1)
  • AAA: or shift the background to #a1a1a1 (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 #150e34 as the background.

Brands using this color

Fonts for this mood

#150e34 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #150e34
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 #150e34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/150e34-a89cc4-dfb34e-281f2d-e9ecf1?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