Color

#400225

#400225
hex#400225
rgbrgb(64, 2, 37)
hslhsl(326, 94%, 13%)
oklchoklch(0.246 0.098 352.6)
Closest name: Dark Sanctuary (#3f012c)Relative luminance 0.0127

Colors that go with #400225

Charcoal, Crimson and Steel 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 →

#02401d

#3c0240 · #400206

#254002 · #022540

Split-complementary

Open in tool →

#064002 · #02403c

#403c02 · #02401d · #020640

Contrast

#400225 as textRatioAAAA largeAAAFix
Aaon white
16.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #e40784 as the text (4.66:1)
  • AAA: use #fa57b3 as the text (7.08:1)
  • AA: or shift the background to #858585 (4.54:1)
  • AAA: or shift the background to #a8a8a8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #400225 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

#400225 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400225
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 #400225 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400225-c19fae-67cb62-2d1f21-f1e9f1?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