Color

#150c2d

#150c2d
hex#150c2d
rgbrgb(21, 12, 45)
hslhsl(256, 58%, 11%)
oklchoklch(0.189 0.063 291.8)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.0061

Colors that go with #150c2d

Charcoal, Dark Olive Green and Royal Blue 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 →

#242c0c

#0c132c · #250c2c

#2c140c · #0c2c14

Split-complementary

Open in tool →

#2c250c · #132c0c

#2c0c13 · #242c0c · #0c2c25

Contrast

#150c2d as textRatioAAAA largeAAAFix
Aaon white
18.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #8162d5 as the text (4.64:1)
  • AAA: use #a18ae0 as the text (7.23:1)
  • AA: or shift the background to #7d7d7d (4.55:1)
  • AAA: or shift the background to #a1a1a1 (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #150c2d as the background.

Brands using this color

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

Fonts for this mood

#150c2d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #150c2d
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 #150c2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/150c2d-ab9cc4-dfbf4e-291f2d-e9ebf1?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