Color

#401fe5

#401fe5
hex#401fe5
rgbrgb(64, 31, 229)
hslhsl(250, 79%, 51%)
oklchoklch(0.457 0.265 275.5)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0773

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c4e51f

#1f61e5 · #a31fe5

#e5401f · #1fe540

Split-complementary

Open in tool →

#e5a31f · #61e51f

#e51f61 · #c4e51f · #1fe5a3

Contrast

#401fe5 as textRatioAAAA largeAAAFix
Aaon white
8.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.55:1failfailfail
  • AA: use #775fec as the text (4.63:1)
  • AAA: use #9a88f1 as the text (7.17:1)
  • AA: or shift the background to #c2c2c2 (4.63:1)
  • AAA: or shift the background to #ededed (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 #401fe5 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

#401fe5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #401fe5
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 #401fe5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/401fe5-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