Color

#15091a

#15091a
hex#15091a
rgbrgb(21, 9, 26)
hslhsl(282, 49%, 7%)
oklchoklch(0.167 0.039 315.4)
Closest name: Crow (#180614)Relative luminance 0.0043

Colors that go with #15091a

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 #15091a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0e1b09

#0d091b · #1b0917

#1b1509 · #091b15

Split-complementary

Open in tool →

#171b09 · #091b0d

#1b0d09 · #0e1b09 · #09171b

Contrast

#15091a as textRatioAAAA largeAAAFix
Aaon white
19.34:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #a354c4 as the text (4.62:1)
  • AAA: use #bb82d4 as the text (7.26:1)
  • AA: or shift the background to #7a7a7a (4.51:1)
  • AAA: or shift the background to #9c9c9c (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15091a 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

#15091a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15091a
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 #15091a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15091a-ba9fc1-b4cb62-2d1f2b-ebe9f1?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