Color

#42005c

#42005c
hex#42005c
rgbrgb(66, 0, 92)
hslhsl(283, 100%, 18%)
oklchoklch(0.288 0.144 312.4)
Closest name: Clairvoyant (#480656)Relative luminance 0.0193

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1a5c00

#14005c · #5c0048

#5c4200 · #005c42

Split-complementary

Open in tool →

#485c00 · #005c14

#5c1400 · #1a5c00 · #00485c

Contrast

#42005c as textRatioAAAA largeAAAFix
Aaon white
15.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #b805ff as the text (4.5:1)
  • AAA: use #d466ff as the text (7.14:1)
  • AA: or shift the background to #8c8c8c (4.51:1)
  • AAA: or shift the background to #b3b3b3 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42005c 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

#42005c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42005c
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 #42005c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42005c-bb9fc1-b2cb62-2d1f2b-ebe9f1?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