Color

#05005c

#05005c
hex#05005c
rgbrgb(5, 0, 92)
hslhsl(243, 100%, 18%)
oklchoklch(0.218 0.147 267)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.008

Tints & shades

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

Harmonies

Complementary

Open in tool →

#575c00

#00295c · #32005c

#5c0500 · #005c05

Split-complementary

Open in tool →

#5c3200 · #295c00

#5c0029 · #575c00 · #005c32

Contrast

#05005c as textRatioAAAA largeAAAFix
Aaon white
18.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #645cff as the text (4.52:1)
  • AAA: use #908aff as the text (7.27:1)
  • AA: or shift the background to #808080 (4.58:1)
  • AAA: or shift the background to #a1a1a1 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05005c 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

#05005c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05005c
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 #05005c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05005c-a39cc4-dfa04e-261f2d-e9edf1?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