Color

#240d4e

#240d4e
hex#240d4e
rgbrgb(36, 13, 78)
hslhsl(261, 71%, 18%)
oklchoklch(0.243 0.11 292.3)
Closest name: Your Darkness (#220044)Relative luminance 0.0121

Tints & shades

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

Harmonies

Complementary

Open in tool →

#384e0d

#0d174e · #450d4e

#4e240d · #0d4e24

Split-complementary

Open in tool →

#4e450d · #174e0d

#4e0d17 · #384e0d · #0d4e45

Contrast

#240d4e as textRatioAAAA largeAAAFix
Aaon white
16.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #8959e3 as the text (4.6:1)
  • AAA: use #a885ea as the text (7.21:1)
  • AA: or shift the background to #858585 (4.58:1)
  • AAA: or shift the background to #a8a8a8 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #240d4e 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

#240d4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #240d4e
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 #240d4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/240d4e-af9cc4-dfcb4e-2a1f2d-e9eaf1?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