Color

#402e52

#402e52
hex#402e52
rgbrgb(64, 46, 82)
hslhsl(270, 28%, 25%)
oklchoklch(0.338 0.065 306.2)
Closest name: Acai (#48295b)Relative luminance 0.0365

Colors that go with #402e52

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 →

#40522e

#2e2e52 · #522e52

#52402e · #2e5240

Split-complementary

Open in tool →

#52522e · #2e522e

#522e2e · #40522e · #2e5252

Contrast

#402e52 as textRatioAAAA largeAAAFix
Aaon white
12.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #8766a9 as the text (4.5:1)
  • AAA: use #a68dbf as the text (7.18:1)
  • AA: or shift the background to #9e9e9e (4.53:1)
  • AAA: or shift the background to #c7c7c7 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #402e52 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

#402e52 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #402e52
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 #402e52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/402e52-b59cc4-c9cb62-2c1f2d-eae9f1?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