Color

#400a48

#400a48
hex#400a48
rgbrgb(64, 10, 72)
hslhsl(292, 76%, 16%)
oklchoklch(0.276 0.115 322.1)
Closest name: Romanic Scene (#3b0346)Relative luminance 0.0177

Colors that go with #400a48

Charcoal, Blue and Cadet 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 →

#12480a

#210a48 · #480a31

#48400a · #0a4840

Split-complementary

Open in tool →

#31480a · #0a4821

#48210a · #12480a · #0a3148

Contrast

#400a48 as textRatioAAAA largeAAAFix
Aaon white
15.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #c31edc as the text (4.54:1)
  • AAA: use #d966ea as the text (7.04:1)
  • AA: or shift the background to #8c8c8c (4.61:1)
  • AAA: or shift the background to #b0b0b0 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #400a48 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

#400a48 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400a48
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 #400a48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400a48-c09fc1-a3cb62-2d1f29-ece9f1?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