Color

#240d63

#240d63
hex#240d63
rgbrgb(36, 13, 99)
hslhsl(256, 77%, 22%)
oklchoklch(0.266 0.136 284.5)
Closest name: Blackmail (#220066)Relative luminance 0.0156

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4c630d

#0d2163 · #4f0d63

#63240d · #0d6324

Split-complementary

Open in tool →

#634f0d · #21630d

#630d21 · #4c630d · #0d634f

Contrast

#240d63 as textRatioAAAA largeAAAFix
Aaon white
16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #825dea as the text (4.7:1)
  • AAA: use #a185ef as the text (7.12:1)
  • AA: or shift the background to #8a8a8a (4.63:1)
  • AAA: or shift the background to #adadad (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #240d63 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

#240d63 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #240d63
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 #240d63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/240d63-ab9cc4-dfbf4e-291f2d-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