Color

#4020df

#4020df
hex#4020df
rgbrgb(64, 32, 223)
hslhsl(250, 75%, 50%)
oklchoklch(0.451 0.258 276)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0745

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfdf20

#2060df · #9f20df

#df4020 · #20df40

Split-complementary

Open in tool →

#df9f20 · #60df20

#df2060 · #bfdf20 · #20df9f

Contrast

#4020df as textRatioAAAA largeAAAFix
Aaon white
8.43:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #755ee8 as the text (4.52:1)
  • AAA: use #9887ee as the text (7.04:1)
  • AA: or shift the background to #bfbfbf (4.59:1)
  • AAA: or shift the background to #ebebeb (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4020df 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

#4020df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4020df
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 #4020df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4020df-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