Color

#40022d

#40022d
hex#40022d
rgbrgb(64, 2, 45)
hslhsl(318, 94%, 13%)
oklchoklch(0.25 0.103 344.5)
Closest name: Dark Sanctuary (#3f012c)Relative luminance 0.0132

Colors that go with #40022d

Charcoal, Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#024015

#340240 · #40020e

#2e4002 · #022e40

Split-complementary

Open in tool →

#0e4002 · #024034

#403402 · #024015 · #020e40

Contrast

#40022d as textRatioAAAA largeAAAFix
Aaon white
16.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #df079e as the text (4.66:1)
  • AAA: use #fa52c7 as the text (7.1:1)
  • AA: or shift the background to #858585 (4.5:1)
  • AAA: or shift the background to #ababab (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40022d 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

#40022d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40022d
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 #40022d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40022d-c19fb3-75cb62-2d1f23-f0e9f1?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