Color

#402bfd

#402bfd
hex#402bfd
rgbrgb(64, 43, 253)
hslhsl(246, 98%, 58%)
oklchoklch(0.494 0.283 273.2)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0991

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e8fd2b

#2b7ffd · #a92bfd

#fd402b · #2bfd40

Split-complementary

Open in tool →

#fda92b · #7ffd2b

#fd2b7f · #e8fd2b · #2bfda9

Contrast

#402bfd as textRatioAAAA largeAAAFix
Aaon white
7.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #6d5dfd as the text (4.63:1)
  • AAA: use #9286fe as the text (7.06:1)
  • AA: or shift the background to #cfcfcf (4.52:1)
  • AAA: or shift the background to #ffffff (7.04:1)

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

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

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

tool url/palettes/new/402bfd-a59cc4-dfa74e-271f2d-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