Color

#57006b

#57006b
hex#57006b
rgbrgb(87, 0, 107)
hslhsl(289, 100%, 21%)
oklchoklch(0.336 0.163 318.1)
Closest name: Cloak and Dagger (#550055)Relative luminance 0.0309

Tints & shades

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

Harmonies

Complementary

Open in tool →

#146b00

#22006b · #6b0049

#6b5700 · #006b57

Split-complementary

Open in tool →

#496b00 · #006b22

#6b2200 · #146b00 · #00496b

Contrast

#57006b as textRatioAAAA largeAAAFix
Aaon white
12.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #c400f0 as the text (4.61:1)
  • AAA: use #e15cff as the text (7.18:1)
  • AA: or shift the background to #999999 (4.56:1)
  • AAA: or shift the background to #bfbfbf (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #57006b 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

#57006b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #57006b
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 #57006b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57006b-be9fc1-a8cb62-2d1f2a-ece9f1?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