Color

#401b50

#401b50
hex#401b50
rgbrgb(64, 27, 80)
hslhsl(282, 50%, 21%)
oklchoklch(0.303 0.099 314.3)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0245

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b501b

#251b50 · #501b46

#50401b · #1b5040

Split-complementary

Open in tool →

#46501b · #1b5025

#50251b · #2b501b · #1b4650

Contrast

#401b50 as textRatioAAAA largeAAAFix
Aaon white
14.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #a353c6 as the text (4.61:1)
  • AAA: use #bc81d5 as the text (7.24:1)
  • AA: or shift the background to #949494 (4.64:1)
  • AAA: or shift the background to #b8b8b8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #401b50 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

#401b50 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #401b50
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 #401b50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/401b50-ba9fc1-b4cb62-2d1f2b-ebe9f1?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