Color

#420080

#420080
hex#420080
rgbrgb(66, 0, 128)
hslhsl(271, 100%, 25%)
oklchoklch(0.325 0.176 297)
Closest name: indigo (#4b0082)Relative luminance 0.0272

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e8000

#020080 · #80007d

#804200 · #008042

Split-complementary

Open in tool →

#7d8000 · #008002

#800200 · #3e8000 · #007d80

Contrast

#420080 as textRatioAAAA largeAAAFix
Aaon white
13.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #a13dff as the text (4.63:1)
  • AAA: use #bc75ff as the text (7.13:1)
  • AA: or shift the background to #969696 (4.6:1)
  • AAA: or shift the background to #bababa (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #420080 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

#420080 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #420080
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 #420080 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/420080-b59cc4-c7cb62-2c1f2d-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