Color

#400646

#400646
hex#400646
rgbrgb(64, 6, 70)
hslhsl(294, 84%, 15%)
oklchoklch(0.271 0.117 323.7)
Closest name: Romanic Scene (#3b0346)Relative luminance 0.0166

Colors that go with #400646

Charcoal, Teal and Forest 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d4606

#200646 · #46062d

#464006 · #064640

Split-complementary

Open in tool →

#2d4606 · #064620

#462006 · #0d4606 · #062d46

Contrast

#400646 as textRatioAAAA largeAAAFix
Aaon white
15.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #c813dd as the text (4.59:1)
  • AAA: use #e25bf1 as the text (7:1)
  • AA: or shift the background to #8a8a8a (4.57:1)
  • AAA: or shift the background to #adadad (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #400646 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

#400646 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400646
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 #400646 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400646-c19fc0-9fcb62-2d1f29-ede9f1?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