Color

#402bab

#402bab
hex#402bab
rgbrgb(64, 43, 171)
hslhsl(250, 60%, 42%)
oklchoklch(0.406 0.191 281.2)
Closest name: Bluebell (#333399)Relative luminance 0.0576

Tints & shades

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

Harmonies

Complementary

Open in tool →

#96ab2b

#2b56ab · #812bab

#ab402b · #2bab40

Split-complementary

Open in tool →

#ab812b · #56ab2b

#ab2b56 · #96ab2b · #2bab81

Contrast

#402bab as textRatioAAAA largeAAAFix
Aaon white
9.76:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #7764d8 as the text (4.6:1)
  • AAA: use #9b8de2 as the text (7.3:1)
  • AA: or shift the background to #b0b0b0 (4.5:1)
  • AAA: or shift the background to #dbdbdb (7.05:1)

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

#402bab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/402bab-a79cc4-dfb14e-281f2d-e9ecf1?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