Color

#4038dc

#4038dc
hex#4038dc
rgbrgb(64, 56, 220)
hslhsl(243, 70%, 54%)
oklchoklch(0.473 0.237 274.6)
Closest name: Blurple (#5539cc)Relative luminance 0.0909

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d4dc38

#3881dc · #9238dc

#dc4038 · #38dc40

Split-complementary

Open in tool →

#dc9238 · #81dc38

#dc3881 · #d4dc38 · #38dc92

Contrast

#4038dc as textRatioAAAA largeAAAFix
Aaon white
7.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #6e67e4 as the text (4.72:1)
  • AAA: use #938eeb as the text (7.31:1)
  • AA: or shift the background to #c9c9c9 (4.5:1)
  • AAA: or shift the background to #fafafa (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4038dc 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

#4038dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4038dc
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 #4038dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4038dc-a39cc4-dfa04e-261f2d-e9edf1?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