Color

#54039b

#54039b
hex#54039b
rgbrgb(84, 3, 155)
hslhsl(272, 96%, 31%)
oklchoklch(0.378 0.201 298.3)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0432

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4a9b03

#08039b · #9b0396

#9b5403 · #039b54

Split-complementary

Open in tool →

#969b03 · #039b08

#9b0803 · #4a9b03 · #03969b

Contrast

#54039b as textRatioAAAA largeAAAFix
Aaon white
11.27:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #a23cfb as the text (4.58:1)
  • AAA: use #bf78fc as the text (7.31:1)
  • AA: or shift the background to #a6a6a6 (4.63:1)
  • AAA: or shift the background to #cccccc (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 #54039b 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

#54039b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #54039b
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 #54039b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/54039b-b69cc4-c5cb62-2d1f2d-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