Color

#39005c

#39005c
hex#39005c
rgbrgb(57, 0, 92)
hslhsl(277, 100%, 18%)
oklchoklch(0.274 0.141 305.9)
Closest name: Cotinga Purple (#340059)Relative luminance 0.0164

Tints & shades

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

Harmonies

Complementary

Open in tool →

#235c00

#0b005c · #5c0051

#5c3900 · #005c39

Split-complementary

Open in tool →

#515c00 · #005c0b

#5c0b00 · #235c00 · #00515c

Contrast

#39005c as textRatioAAAA largeAAAFix
Aaon white
15.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #ad29ff as the text (4.54:1)
  • AAA: use #c870ff as the text (7.22:1)
  • AA: or shift the background to #8a8a8a (4.58:1)
  • AAA: or shift the background to #adadad (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39005c 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

#39005c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39005c
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 #39005c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39005c-b99cc4-bdcb62-2d1f2c-eae9f1?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