Color

#402f56

#402f56
hex#402f56
rgbrgb(64, 47, 86)
hslhsl(266, 29%, 26%)
oklchoklch(0.343 0.069 303)
Closest name: Acai (#48295b)Relative luminance 0.0379

Colors that go with #402f56

Dark Olive Green, Sea Green and Teal 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 →

#45562f

#2f3256 · #532f56

#56402f · #2f5640

Split-complementary

Open in tool →

#56532f · #32562f

#562f32 · #45562f · #2f5653

Contrast

#402f56 as textRatioAAAA largeAAAFix
Aaon white
11.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #8568ac as the text (4.57:1)
  • AAA: use #a28cc0 as the text (7.05:1)
  • AA: or shift the background to #a1a1a1 (4.62:1)
  • AAA: or shift the background to #c7c7c7 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #402f56 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

#402f56 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #402f56
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 #402f56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/402f56-b29cc4-dfd74e-2b1f2d-e9eaf1?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