Color

#402d53

#402d53
hex#402d53
rgbrgb(64, 45, 83)
hslhsl(270, 30%, 25%)
oklchoklch(0.337 0.069 306.1)
Closest name: Acai (#48295b)Relative luminance 0.0359

Colors that go with #402d53

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 →

#40532d

#2d2d53 · #532d53

#53402d · #2d5340

Split-complementary

Open in tool →

#53532d · #2d532d

#532d2d · #40532d · #2d5353

Contrast

#402d53 as textRatioAAAA largeAAAFix
Aaon white
12.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #8a67ad as the text (4.62:1)
  • AAA: use #a68bc1 as the text (7.08:1)
  • AA: or shift the background to #9e9e9e (4.56:1)
  • AAA: or shift the background to #c4c4c4 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #402d53 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

#402d53 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #402d53
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 #402d53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/402d53-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