Color

#280684

#280684
hex#280684
rgbrgb(40, 6, 132)
hslhsl(256, 91%, 27%)
oklchoklch(0.304 0.178 279.7)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0225

Tints & shades

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

Harmonies

Complementary

Open in tool →

#628406

#062384 · #660684

#842806 · #068428

Split-complementary

Open in tool →

#846606 · #238406

#840623 · #628406 · #068466

Contrast

#280684 as textRatioAAAA largeAAAFix
Aaon white
14.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #8055f7 as the text (4.56:1)
  • AAA: use #a485f9 as the text (7.3:1)
  • AA: or shift the background to #919191 (4.6:1)
  • AAA: or shift the background to #b5b5b5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #280684 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

#280684 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #280684
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 #280684 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/280684-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