Color

#42077d

#42077d
hex#42077d
rgbrgb(66, 7, 125)
hslhsl(270, 89%, 26%)
oklchoklch(0.326 0.169 297.5)
Closest name: indigo (#4b0082)Relative luminance 0.0279

Tints & shades

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

Harmonies

Complementary

Open in tool →

#427d07

#07077d · #7d077d

#7d4207 · #077d42

Split-complementary

Open in tool →

#7d7d07 · #077d07

#7d0707 · #427d07 · #077d7d

Contrast

#42077d as textRatioAAAA largeAAAFix
Aaon white
13.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #9c43f4 as the text (4.52:1)
  • AAA: use #b878f7 as the text (7.07:1)
  • AA: or shift the background to #969696 (4.56:1)
  • AAA: or shift the background to #bdbdbd (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42077d 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

#42077d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42077d
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 #42077d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42077d-b59cc4-c9cb62-2c1f2d-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