Color

#4c28af

#4c28af
hex#4c28af
rgbrgb(76, 40, 175)
hslhsl(256, 63%, 42%)
oklchoklch(0.417 0.197 286.5)
Closest name: Bluebell (#333399)Relative luminance 0.0615

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8baf28

#2847af · #8f28af

#af4c28 · #28af4c

Split-complementary

Open in tool →

#af8f28 · #47af28

#af2847 · #8baf28 · #28af8f

Contrast

#4c28af as textRatioAAAA largeAAAFix
Aaon white
9.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #8261db as the text (4.68:1)
  • AAA: use #9f86e4 as the text (7:1)
  • AA: or shift the background to #b5b5b5 (4.59:1)
  • AAA: or shift the background to #dedede (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c28af 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

#4c28af reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c28af
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 #4c28af and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c28af-ab9cc4-dfbf4e-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