Color

#400052

#400052
hex#400052
rgbrgb(64, 0, 82)
hslhsl(287, 100%, 16%)
oklchoklch(0.276 0.135 316.5)
Closest name: Clairvoyant (#480656)Relative luminance 0.017

Tints & shades

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

Harmonies

Complementary

Open in tool →

#125200

#170052 · #52003a

#524000 · #005240

Split-complementary

Open in tool →

#3a5200 · #005217

#521700 · #125200 · #003a52

Contrast

#400052 as textRatioAAAA largeAAAFix
Aaon white
15.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #c000f5 as the text (4.56:1)
  • AAA: use #dc5cff as the text (7.02:1)
  • AA: or shift the background to #8a8a8a (4.54:1)
  • AAA: or shift the background to #b0b0b0 (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 #400052 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

#400052 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400052
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #400052 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400052-bd9fc1-abcb62-2d1f2a-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