Color

#280401

#280401
hex#280401
rgbrgb(40, 4, 1)
hslhsl(5, 95%, 8%)
oklchoklch(0.183 0.063 32.6)
Closest name: Dwarf Fortress (#1d0200)Relative luminance 0.0054

Tints & shades

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

Harmonies

Complementary

Open in tool →

#012528

#280111 · #281801

#012804 · #040128

Split-complementary

Open in tool →

#012818 · #011128

#112801 · #012528 · #180128

Contrast

#280401 as textRatioAAAA largeAAAFix
Aaon white
18.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #ea1906 as the text (4.64:1)
  • AAA: use #fb6456 as the text (7.06:1)
  • AA: or shift the background to #7d7d7d (4.6:1)
  • AAA: or shift the background to #9e9e9e (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #280401 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

#280401 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #280401
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 #280401 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/280401-c4a49c-62cba1-2d261f-f1e9ec?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