Color

#280368

#280368
hex#280368
rgbrgb(40, 3, 104)
hslhsl(262, 94%, 21%)
oklchoklch(0.267 0.149 287.3)
Closest name: Blackmail (#220066)Relative luminance 0.0152

Tints & shades

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

Harmonies

Complementary

Open in tool →

#436803

#031168 · #5a0368

#682803 · #036828

Split-complementary

Open in tool →

#685a03 · #116803

#680311 · #436803 · #03685a

Contrast

#280368 as textRatioAAAA largeAAAFix
Aaon white
16.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #8c4df9 as the text (4.54:1)
  • AAA: use #ac7efb as the text (7.13:1)
  • AA: or shift the background to #8a8a8a (4.67:1)
  • AAA: or shift the background to #ababab (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 #280368 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

#280368 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #280368
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 #280368 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/280368-af9cc4-dfce4e-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