Color

#150504

#150504
hex#150504
rgbrgb(21, 5, 4)
hslhsl(4, 68%, 5%)
oklchoklch(0.144 0.032 27.2)
Closest name: Knight Rider (#0f0707)Relative luminance 0.0028

Tints & shades

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

Harmonies

Complementary

Open in tool →

#041415

#15040c · #150e04

#041505 · #050415

Split-complementary

Open in tool →

#04150e · #040c15

#0c1504 · #041415 · #0e0415

Contrast

#150504 as textRatioAAAA largeAAAFix
Aaon white
19.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #d83c31 as the text (4.61:1)
  • AAA: use #e3756d as the text (7.03:1)
  • AA: or shift the background to #787878 (4.51:1)
  • AAA: or shift the background to #9c9c9c (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #150504 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

#150504 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #150504
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #150504 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/150504-c4a39c-62cb9f-2d261f-f1e9ed?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