Color

#542aa7

#542aa7
hex#542aa7
rgbrgb(84, 42, 167)
hslhsl(260, 60%, 41%)
oklchoklch(0.42 0.186 291.7)
Closest name: rebeccapurple (#663399)Relative luminance 0.0633

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7da72a

#2a3fa7 · #922aa7

#a7542a · #2aa754

Split-complementary

Open in tool →

#a7922a · #3fa72a

#a72a3f · #7da72a · #2aa792

Contrast

#542aa7 as textRatioAAAA largeAAAFix
Aaon white
9.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #8860d7 as the text (4.7:1)
  • AAA: use #a689e1 as the text (7.29:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #542aa7 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

#542aa7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #542aa7
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 #542aa7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/542aa7-ae9cc4-dfc94e-2a1f2d-e9ebf1?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