Color

#4012ca

#4012ca
hex#4012ca
rgbrgb(64, 18, 202)
hslhsl(255, 84%, 43%)
oklchoklch(0.417 0.243 278.9)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0579

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9cca12

#1240ca · #9c12ca

#ca4012 · #12ca40

Split-complementary

Open in tool →

#ca9c12 · #40ca12

#ca1240 · #9cca12 · #12ca9c

Contrast

#4012ca as textRatioAAAA largeAAAFix
Aaon white
9.73:1passpasspassPasses AAA — no fix needed.
Aaon black
2.16:1failfailfail
  • AA: use #805bf1 as the text (4.68:1)
  • AAA: use #a185f4 as the text (7.18:1)
  • AA: or shift the background to #b3b3b3 (4.64:1)
  • AAA: or shift the background to #dbdbdb (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4012ca 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

#4012ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4012ca
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 #4012ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4012ca-ab9cc4-dfbd4e-291f2d-e9ebf1?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